Publications

Last Updated: October 10, 2018.

Books

  1. Y.Arase, T.Hara, and S.Nishio: "Web Page Adaptation and Presentation for Mobile Phones", Book Chapter (Chapter 12, pp.240-262), Handheld Computing for Mobile Commerce: Applications, Concepts and Technologies, IGI Global (Apr. 2010).

  2. S.Kitajima, T.Hara, T.Terada, and S.Nishio: "Filtering Order Adaptation Based on Attractor Selection for Data Broadcasting System", Book Chapter (Chapter 8, pp.163-186), Complex Intelligent Systems and Their Applications (Book Series: Springer Optimization and Its Applications), Vol. 41, Springer-Verlag (Aug. 2010).

  3. T.Hara, V.I.Zadorozhny, and E.Buchmann (Ed): Wireless Sensor Network Technologies for Information Explosion Era (Book Series: Studies in Computational Intelligence), Vol.278, Springer-Verlag (Nov. 2010).

  4. A.Kanzaki, N.Wakamiya, T.Hara: "Energy-efficient Scheduling and Data Aggregation Techniques in Wireless Sensor Networks for Information Explosion Era", Book Chapter (Chapter II-1, pp.47-75), Wireless Sensor Network Technologies for Information Explosion Era (Book Series: Studies in Computational Intelligence), Vol. 278, Springer-Verlag (Nov. 2010).

  5. A.Kanzaki, T.Hara, Y.Ishi, T.Yoshihisa, Y.Teranishi, S.Shimojo: "X-Sensor:Wireless Sensor Network Testbed Integrating Multiple Networks", Book Chapter (Chapter III-3, pp.249-271), Wireless Sensor Network Technologies for Information Explosion Era (Book Series: Studies in Computational Intelligence), Vol. 278, Springer-Verlag (Nov. 2010).

  6. Y.Zhang, L.He, L.Shu, T.Hara, S.Nishio: "Security Issues on Outlier Detection and Countermeasure for Distributed Hierarchical Wireless Sensor Networks", Book Chapter (Chapter 9, pp.182-210), Advancements in Distributed Computing and Internet Technologies: Trends and Issues, IGI Global (Aug. 2011).

  7. T.Hara, S.Mizuta, T.Ohkawa (Ed: S.Nishio): Algorithms and Data Structures, Kyoritsu Shuppan Co., Ltd. (June 2012).

  8. T.Yoshihisa, Y.Hamaguchi, Y.Ishi, Y.Teranishi, T.Hara, S.Nishio: "A Sensor Data Aggregation System using Mobile Agents," Distributed Networks: Intelligence, Security, and Applications, CRC Press, Taylor and Francis (July 2013).

  9. K.Matsuo, K.Goto, A.Kanzaki, T.Hara, S.Nishio: "Data Aggregation and Forwarding Route Control for Efficient Data Gathering in Dense Mobile Wireless Sensor Networks," Book Chapter (Chapter 5, pp.113-143), Modelling and Processing for Next Generation Big Data Technologies and Applications (Book Series: Modelling and OptimiSation in cience & Technology), Springer-Verlag (Jan. 2015).

  10. Y.Okaie, T.Nakano, T.Hara, S.Nishio: Target Detection and Tracking by Bionanosensor Networks (Book Series: Springer Briefs in Computer Science), Springer-Verlag (Sept. 2016)

  11. T.Hara: "Fusion of Heterogeneous Mobile Data, Challenges and Solutions," Book Chapter (Chapter 3, pp.47-63), Adaptive Mobile Computing: Advances in Processing Mobile Data Sets, Elsevier (Aug. 2017)

  12. T.Hara, J.Osawa: "Investigation of Relationships between High-level User Contexts and Mobile Application Usage," Book Chapter (Chapter 25, pp.-), Big Data Recommender Systems: Recent Trends and Advances, Institution of Engineering and Technology (IET) (May 2019)

  13. T.Nakano, Y.Okaie, T.Hara: "Applications of Molecular Communication Systems," Book Chapter, Encyclopedia of Wireless Networks, Springer-Verlag (2019)

Journals

  1. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Location Management for Database Migration in ATM Network", Transactions of the Institute of Electronics, Information and Communication Engineers D-I, Vol.J80-D-I, No.2, pp.137-145 (Feb. 1997), in Japanese. (Translated version appears in Systems and Computers in Japan (Scripta Technica, Inc.), Vol.28, No.9, pp.35-45, Aug. 1997.)

  2. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Transaction Processing using Database Migration in ATM Networks", Transactions of the Institute of Electronics, Information and Communication Engineers D-I, Vol.J80-D-I, No.6, pp.505-513 (June 1997), in Japanese.

  3. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "A Distributed Database System based on Database Migration and its Mechanism for Concurrency Control", Transactions of the Institute of Electronics, Information and Communication Engineers D-I, Vol.J81-D-I, No.6 pp.819-828 (June 1998), in Japanese.

  4. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Database Migration: A New Architecture for Transaction Processing in Broadband Networks," IEEE Transactions on Knowledge and Data Engineering, Vol.10, No.5, pp.839-854 (Sept./Oct. 1998).

  5. E.Yajima, T.Hara, M.Tsukamoto, and S.Nishio: "On a Broadcast Data Interval of Correlative Data," Journal of the Information Processing Society of Japan, Vol.40, No.1, pp.188-196 (Jan. 1999), in Japanese.

  6. T.Akiyama, T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "A Database Relocation Method Using Database Migration Based on Access Information," Journal of the Information Processing Society of Japan, Vol.40, No.6, pp.2765-2775 (June. 1999), in Japanese.

  7. T.Hara, K.Harumoto, M.Tsukamoto, S.Nishio, and J.Okui: "A Dynamic Replica Allocation Method Based on Database Migration in Broadband Networks," Transactions of the Institute of Electronics, Information and Communication Engineers D-I, Vol.J82-D-I, No.8, pp.1049-1058 (Aug. 1999), in Japanese.

  8. E.Yajima, T.Hara, M.Tsukamoto, and S.Nishio: "Scheduling and Caching Methods for Broadcast Data Considering the Correlation among Data," Journal of the Information Processing Society of Japan, Vol.40, No.9, pp.3577-3585 (Sept. 1999), in Japanese.

  9. T.Hara, M.Tsukamoto, and S.Nishio: "A Scheduling Method of Database Migration in Wide Area Networks," Transactions of the Institute of Electronics, Information and Communication Engineers D-I, Vol.J82-D-I, No.12, pp.1369-1378 (Dec. 1999), in Japanese.

  10. H.Hagino, G.Shintani, T.Hara, M.Tsukamoto, K.Harumoto, and S.Nishio: "A Communication Method for Continuous Media Delivery in Mobile Computing Environments", Journal of the Information Processing Society of Japan, Vol.41, No.2, pp.363-372 (Feb. 2000), in Japanese.

  11. M.Nishizawa, H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "A Routing Method Considering Uni-directional Links in Ad-hoc Networks", Journal of the Information Processing Society of Japan, Vol.41, No.3, pp.783-791 (Mar.2000), in Japanese.

  12. T.Akiyama, T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Access Skew Detection for Dynamic Database Relocation", International Journal of Computing and Informatics (Informatica), Vol.24, No.1, pp.21-25 (Mar. 2000).

  13. T.Uemukai, H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "A WWW Browsing System in Remote Display Environments", Journal of the Information Processing Society of Japan, Vol.41, No.9, pp.2364-2373 (Sept. 2000), in Japanese.

  14. H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "Store-and-Flood Protocol for Ad-hoc Networks", Journal of the Information Processing Society of Japan, Vol.41, No.9, pp.2445-2454 (Sept. 2000), in Japanese.

  15. H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "A Location Management Method for Mobile Hosts Based on Groups of Routers", Journal of the Information Processing Society of Japan, Vol.41, No.9, pp.2638-2650 (Sept. 2000), in Japanese.

  16. S.Sakai, A.Umigai, T.Akiyama, T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "DB-MANa: A Distributed Database System Based on Database Migration", Journal of the Information Processing Society of Japan, Vol.41, No.11, pp.3092-3102 (Nov. 2000), in Japanese.

  17. T.Hara: "Replica Allocation for Improving Data Availability in Ad Hoc Networks", Transactions of the Institute of Electronics, Information and Communication Engineers B, Vol.J84-B, No.3, pp.632-642 (Mar. 2001), in Japanese.

  18. E.Yajima, T.Hara, M.Tsukamoto, and S.Nishio: "Scheduling Strategies of Correlated Broadcast Data in Push-Based Systems", Information Systems and Operational Research (INFOR), Vol.39, No.2, pp.152-173 (May. 2001).

  19. Y.-H.Loh, T.Hara, M.Tsukamoto, and S.Nishio: "Concurrent Database Updates during Disconnection in Mobile Computing Environments", Journal of the Information Processing Society of Japan, Vol.42, No.7, pp.1945-1956 (July 2001).

  20. T.Hara: "Replica Allocation Methods Considering Periodic Data Update in Ad Hoc Networks", Transactions of the Institute of Electronics, Information and Communication Engineers B (Letter), Vol.J84-B, No.7, pp.1391-1395 (July 2001), in Japanese.

  21. E.Yajima, T.Hara, M.Tsukamoto, and S.Nishio: "Scheduling and Caching Strategies for Correlated Data in Push-Based Systems", ACM Applied Computing Review (ACM ACR), Vol.9, No.1, pp.22-28 (July 2001).

  22. T.Uemukai, H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "An Access Control Mechanism for Concurrent Accesses by Multiple Users in Remote Display Environments", Journal of the Information Processing Society of Japan, Vol.43, No.2, pp.543-554 (Feb. 2002), in Japanese.

  23. W.Uchida, T.Hara, M.Tsukamoto, E.Yajima, and S.Nishio: "Broadcast Scheduling Considering Data Correlation and Access Frequency", Transactions of the Information Processing Society of Japan: Database, Vol.43, No.SIG2(TOD 13), pp.146-157 (Mar. 2002), in Japanese.

  24. T.Akiyama, S.Sakai, T.Hara, and S.Nishio: "A Concurrency Control Mechanism in a Distributed Database System Based on Database Migration", Transactions of the Information Processing Society of Japan: Database, Vol.43, No.SIG2(TOD 13), pp.158-167 (Mar. 2002), in Japanese.

  25. W.-G.Wang, T.Hara, M.Tsukamoto, and S.Nishio: "An AODV Compatible Routing Protocol Using Rseudo Control Packets in Ad-hoc Networks", Journal of the Information Processing Society of Japan, Vol.43. No.9, pp.2871-2883 (Sept. 2002).

  26. W.Uchida, T.Hara, and S.Nishio: "Broadcast Scheduling of Correlated Data Considering Access Frequencies with Temporal Variations", Transactions of the Information Processing Society of Japan: Database, Vol.43, No.SIG2(TOD 15), pp.28-38 (Sept. 2002), in Japanese.

  27. T.Hara: "Cooperative Caching Strategies of Push-based Delivery Data in Ad Hoc Networks", DBSJ Letters, Vol.1, No.1, pp.67-70 (Oct. 2002), in Japanese.

  28. W.Uchida, T.Hara, and S.Nishio: "Caching Strategy Considering Think-Time of Data Access for Push-based Data Broadcast", DBSJ Letters, Vol.2, No.1, pp.63-66 (May 2003), in Japanese.

  29. W.Uchida, T.Hara, and S.Nishio: "Caching Strategies for Active Use of Push-Based Broadcast Data Correlated Data Correlation and Think-Time", Transactions of the Information Processing Society of Japan: Database, Vol.44, No.SIG8 (TOD 18), pp.114-125 (June 2003), in Japanese.

  30. M.Kashita, T.Terada, T.Hara, M.Tsukamoto, and S.Nishio: "A Collaborative Query Processing Method by a Server and Mobile Clients for a Database Broadcasting System", Transactions of the Information Processing Society of Japan: Database, Vol.44, No.SIG8(TOD 18), pp.92-104 (June 2003), in Japanese.

  31. T.Hara: "Replica Allocation Methods in Ad Hoc Networks with Data Update", ACM-Kluwer Journal on Mobile Networks and Applications (MONET), Vol.8, No.4, pp.343-354 (Aug. 2003).

  32. T.Hara, Y.-H.Loh, and S.Nishio: "Replica Allocation in Ad Hoc Networks Considering the Stability of Radio Links", Journal of the Information Processing Society of Japan, Vol.44, No.9, pp.2308-2319 (Sept. 2003).

  33. T.Hara: "On Location Management of Data in Ad Hoc Networks", Information Technology Letters, pp.331-333 (Sept. 2003), in Japanese.

  34. H.Hayashi, T.Hara, and S.Nishio: "Update Data Dissemination Methods in Ad Hoc Networks", DBSJ Letters, Vol.2, No.2, pp.33-36 (Oct. 2003), in Japanese.

  35. H.Hayashi, T.Hara, and S.Nishio: "Replica Allocation Considering Data Update Intervals in Ad Hoc Networks", Journal of the Information Processing Society of Japan, Vol.44, No.12, pp.2898-2911 (Dec. 2003), in Japanese.

  36. H.Hayashi, T.Hara, and S.Nishio: "Cache Invalidation Methods in Ad Hoc Networks with Apeoriodic Data Update", Journal of the Information Processing Society of Japan, Vol.44, No.12, pp.3139-3151 (Dec. 2003), in Japanese.

  37. H.Hayashi, T.Hara, and S.Nishio: "Updated Data Dissemination Methods Considering Aperiodic Data Update in Ad Hoc Networks", Transactions of the Institute of Electronics, Information and Communication Engineers D-I, Vol.44, No.12, pp.3139-3151 (Feb. 2004), in Japanese.

  38. T.Hara, N.Murakami, and S.Nishio: "Replica Allocation for Correlated Data Items in Ad-Hoc Sensor Networks", ACM SIGMOD Record, Vol.33, No.1, pp.38-43 (Mar. 2004).

  39. T.Maekawa, T.Uemukai, T.Hara, and S.Nishio: "A Content Partitioning Method for Collaborative Browsing by Mobile Users", DBSJ Letters, Vol.2, No.4, pp.3-6 (Mar. 2004), in Japanese.

  40. A.Kanzaki, T.Uemukai, T.Hara, and S.Nishio: "TDMA Slot Assignment Protocols Considering the Number of Nodes in Ad Hoc Networks", Journal of the Information Processing Society of Japan, Vol.45, No.3, pp.824-837 (Mar. 2004), in Japanese.

  41. T.Maekawa, T.Uemukai, T.Hara, and S.Nishio: "Tree Structured Content Description and Partitioning Methods for Collaborative Browsing by Multiple Mobile Terminals", Transactions of the Information Processing Society of Japan: Database, Vol.45, No.SIG7 (TOD 22), pp.11-23 (June 2004), in Japanese.

  42. W.Uchida, T.Hara, and S.Nishio: "A Scheduling Strategy Considering Simultaneous and Consecutive Accesses for Push-based Broadcast", Transactions of the Information Processing Society of Japan: Database, Vol.45, No.SIG7 (TOD 22), pp.230-242 (June 2004), in Japanese.

  43. W.Uchida, T.Hara, and S.Nishio: "Caching Method Considering Simultaneous and Consecutive Accesses in Push-based Broadcast", DBSJ Letters, Vol.3, No.1, pp.41-44 (June 2004), in Japanese.

  44. T.Maekawa, T.Hara, and S.Nishio: "A Collaborative WWW Contents Browsing System by Multiple Mobile Users", DBSJ Letters, Vol.3, No.2, pp.93-96 (Sept. 2004), in Japanese.

  45. T.Maekawa, T.Hara, and S.Nishio: "A Collaborative WWW Browsing System for Multiple Handheld Devices", Transactions of the Institute of Electronics, Information and Communication Engineers D-I, Vol.J88-D-I, No.3, pp.629-641 (Mar. 2005), in Japanese.

  46. K.Maeda, W.Uchida, T.Hara, and S.Nishio: "A Collaborative Caching Strategy Using a Peer-to-Peer Network in Push-based Broadcast", Transactions of the Information Processing Society of Japan: Database, Vol.46, No.SIG5 (TOD25), pp.12-27 (Mar. 2005), in Japanese.

  47. A.Kanzaki, T.Hara, and S.Nishio: "A TDMA Slot Assignment Protocol Considering the Topology Change in Ad Hoc Networks", Transactions of the Institute of Electronics, Information and Communication Engineers B, Vol.J88-B, No.5, pp.933-947 (May 2005), in Japanese.

  48. M.Shinohara, H.Hayashi, T.Hara, and S.Nishio: "A Study on Replica Allocation Considering Power Consumption in Ad Hoc Networks", DBSJ Letters, Vol.4, No.1, pp.9-12 (June 2005), in Japanese.

  49. H.Tomiyasu, T.Maekawa, T.Hara, and S.Nishio: "Social Network Applications based on a Cellular Phone's E-mail Function", DBSJ Letters, Vol.4, No.1, pp.73-76 (June 2005), in Japanese.

  50. T.Maekawa, T.Uemukai, T.Hara, and S.Nishio: "An Information Browsing System Using a Java-Based Cellular Phone in a Remote Display Environment", Transactions of the Institute of Electronics, Information and Communication Engineers D-I, Vol.J88-D-I, No.6, pp.1091-1103 (June 2005), in Japanese.

  51. H.Hayashi, T.Hara, and S.Nishio: "Updated Data Dissemination Methods for Updating Old Replicas in Ad Hoc Networks", ACM/Springer Personal and Ubiquitous Computing Journal, Vol.9, No.5, pp.273-283 (Sept. 2005).

  52. T.Maekawa, T.Hara, and S.Nishio: "A Web Page Automatic Scrolling Method for Mobile Devices", DBSJ Letters, Vol.4, No.2, pp.29-32 (Sept. 2005), in Japanese.

  53. M.Shinohara, H.Hayashi, T.Hara, and S.Nishio: "Data Replica Allocation Methods Considering Power Consumptions in Ad Hoc Networks", Journal of the Information Processing Society of Japan, Vol.47, No.2, pp.15-27 (Jan. 2006), in Japanese.

  54. H.Hayashi, T.Hara, and S.Nishio: "Replica Relocation Adapting to Topology Changes in Ad Hoc Networks", Journal of the Information Processing Society of Japan, Vol.47, No.2, pp.2-14 (Jan. 2006), in Japanese.

  55. S.Kitajima, T.Terada, T.Hara, and S.Nishio: "Query Processing Methods Considering the Deadline of Queries for Database Broadcasting Systems", Transactions of the Institute of Electronics, Information and Communication Engineers D, Vol.J89-D, No.2, pp.151-162 (Feb. 2006), in Japanese.

  56. Y.Kido, T.Hara, and S.Nishio: "A Probabilistic Replication Strategy Based on Data Access Frequencies in P2P Networks", DBSJ Letters, Vol.4, No.4, pp.1-4 (Mar. 2006), in Japanese.

  57. T.Hara: "Replica Location Management for Data Sharing in Mobile Ad Hoc Networks", Journal of Interconnection Networks (JOIN), Vol.7, No.1, pp.75-89 (Mar. 2006).

  58. H.Hayashi, T.Hara, and S.Nishio: "Update Log Dissemination Methods in Ad Hoc Networks", Transactions of the Institute of Electronics, Information and Communication Engineers B, Vol.J89-B, No.6, pp.859-872 (June 2006), in Japanese.

  59. T.Maekawa, T.Hara, and S.Nishio: "Image Classification Method for Web Browsing using Small-form-factor Devices" DBSJ Letters, Vol.5, No.1, pp.125-128 (June 2006), in Japanese.

  60. S.Kitajima, T.Terada, T.Hara, and S.Nishio: "A Study on Query Processing Considering the Energy Consumption of Mobile Clients for Broadcast Database Systems", DBSJ Letters, Vol.5, No.1, pp.37-40 (June 2006), in Japanese.

  61. H.Sago, M.Shinohara, T.Hara, and S.Nishio: "A Study on Data Dissemination for Information Sharing Based on Inter-Vehicle Communication", DBSJ Letters, Vol.5, No.2, pp.41-44 (Sept. 2006), in Japanese.

  62. K.Nakayama, T.Hara, and S.Nishio: "Wikipedia Mining to Construct a Thesaurus", Journal of the Information Processing Society of Japan, Vol.47, No.10, pp.2917-2928 (Oct. 2006), in Japanese.

  63. T.Hara and S.Madria: "Data Replication for Improving Data Accessibility in Ad Hoc Networks", IEEE Transactions on Mobile Computing, Vol.5, No.11, pp.1515-1532 (Nov. 2006).

  64. Y.Arase, T.Maekawa, T.Hara, T.Uemukai, and S.Nishio: "An Adaptive Content Presentation System for Web Browsing using Cellular Phones", Journal of the Information Processing Society of Japan, Vol.47, No.12, pp.3149-3164 (Dec. 2006), in Japanese.

  65. M.Pei, S.Taniguchi, T.Hara, and S.Nishio: "Association Rule Mining Considering Repetition in Purchase to Discover Important Association Rules and Loyal Customers", Journal of the Information Processing Society of Japan, Vol.47, No.12, pp.3352-3364 (Dec. 2006), in Japanese.

  66. J.Cai, T.Terada, T.Hara, and S.Nishio: "A Hybrid Data Delivery of Data Broadcasting and On-demand Wireless Communication", Transactions of the Information Processing Society of Japan: Database, Vol.47, No.SIG19 (TOD 32), pp.42-53 (Dec. 2006)

  67. A.Kanzaki, T.Uemukai, T.Hara, and S.Nishio: "A TDMA Slot Assignment Protocol in Ad Hoc Sensor Networks with Unidirectional Wireless Links", Journal of the Information Processing Society of Japan, Vol.48, No.1, pp.342-355 (Jan. 2007), in Japanese.

  68. T.Watanabe, T.Hara, Y.Kido, M.Nakadori, and S.Nishio: "An Update Propagation Method for Replicas Using a Tree Structure in Peer-to-Peer Networks", Journal of the Information Processing Society of Japan, Vol.48, No.2, pp.527-538 (Feb. 2007), in Japanese.

  69. J.Cai, T.Terada, T.Hara, and S.Nishio: "A Cooperation Strategy of Broadcast Scheduling and Base Station Caching in the Hybrid Wireless Broadcast Environment", Journal of the Information Processing Society of Japan, Vol.48, No.2, pp.539-550 (Feb. 2007).

  70. Y.Sawai, M.Shinohara, A.Kanzaki, T.Hara, and S.Nishio: "A Consistency Management Method Based on Quorum Systems in Ad Hoc Networks", Journal of the Information Processing Society of Japan, Vol.48, No.2, pp.551-561 (Feb. 2007), in Japanese.

  71. K.Nakayama, T.Hara, and S.Nishio: "Thesaurus Construction from Large Scale Web Dictionarie", DBSJ Letters, Vol.5, No.4, pp.41-44 (Mar. 2007), in Japanese.

  72. Y.Arase, T.Hara, T.Uemukai, and S.Nishio: "Nine Button Browsing System: A Web Browsing System for Cellular Phone Users" DBSJ Letters, Vol.5, No.4, pp.9-12 (Mar. 2007), in Japanese.

  73. K.Nakayama, T.Hara, and S.Nishio: "A Thesaurus Construction Method from Web Dictionarie", Transactions of the Information Processing Society of Japan: Database, Vol.48, No.SIG11(TOD 34), pp.27-37 (June. 2007), in Japanese.

  74. T.Hara: "Quantifying Mobility Characteristics and Verifying Impact on Data Availability", Information Technology Letters, pp.419-422 (Sept. 2007), in Japanese.

  75. Y.Atarashi, T.Kujirai, K.Doi, N.Fukaya, T.Hara, and S.Nishio: "On Model-based Development of a HMI Tool for Embedded Systems" DBSJ Letters, Vol.6, No.2, pp.1-4 (Sept. 2007), in Japanese.

  76. Y.Arase, T.Maekawa, T.Hara, T.Uemukai, and S.Nishio: "A Web Browsing System for Cellular Phone Users based on Adaptive Presentation", International Jouranal of Universal Access in the Information Society, Springer, Vol.6, No.3, pp.259-271 (Nov. 2007).

  77. K.A.Rathore, S.K.Madria, and T.Hara: "Adaptive Searching and Replication of Images in Mobile Hierarchical Peer-to-Peer Networks", Data and Knowledge Engineering, Vol.63, No.3, pp.892-916 (Dec. 2007).

  78. M.Shinohara, T.Hara, and S.Nishio: "An Access Method for Data Replication Considering Power Consumptions in Mobile Ad Hoc Networks", Journal of the Information Processing Society of Japan, Vol.48, No.12, pp.3931-3947 (Dec. 2007), in Japanese.

  79. M.Ito, K.Nakayama, T.Hara, and S.Nishio: "A Thesaurus Construction Method from Web Dictionarie", Transactions of the Information Processing Society of Japan: Database, Vol.48, No.SIG20(TOD 36), pp.39-49 (Dec. 2007), in Japanese.

  80. H.Sago, M.Shinohara, T.Hara, and S.Nishio: "Effective Data Dissemination for Information Sharing Based on Inter-Vehicle Communication", Journal of Interconnection Networks (JOIN), Vol.8, No.4, pp.337-354 (Dec. 2007).

  81. Y.Sawai, M.Shinohara, A.Kanzaki, T.Hara, and S.Nishio: "A Consistency Management Method Based on Quorum Systems in Ad Hoc Networks", Journal of the Information Processing Society of Japan, Vol.49, No.2, pp.615-627 (Feb. 2008), in Japanese.

  82. H.Nagaishi, T.Ogawa, T.Hara, and S.Nishio: "A Scheduling Method based on Object Popularity and Distance between Objects for a Broadcast-based Cyberspace", Journal of the Information Processing Society of Japan, Vol.49, No.2, pp.739-748 (Feb. 2008), in Japanese.

  83. M.Pei, K.Nakayama, T.Hara, and S.Nishio: "Web Resource Categorization for Semantic Web Search", Journal of the Information Processing Society of Japan, Vol.49, No.2, pp.848-858 (Feb. 2008).

  84. T.Watanabe, A.Kanzaki, T.Hara, and S.Nishio: "An Update Propagation Strategy Considering Data Access Frequency in Peer-to-Peer Networks", Journal of the Information Processing Society of Japan, Vol.49, No.6, pp.1819-1832 (June 2008), in Japanase

  85. K.Nakayama, T.Hara, and S.Nishio: "An Automated Web Ontology Construction Method based on NLP with Link Structure Mining for Wikipedia" DBSJ Journal, Vol.7, No.1, pp.67-72 (June 2008), in Japanese.

  86. Y.Arase, T.Hara, T.Uemukai, and S.Nishio: "Web Page Presentation on Cellular Phone using Drive Metaphor" DBSJ Journal, Vol.7, No.1, pp.103-108 (June 2008), in Japanese.

  87. T.Shinjo, S.Kitajima, T.Ogawa, T.Hara, and S.Nishio: "Evaluation of a Node Movement Control Method using Push-based Broadcast in Mobile Sensor Networks" DBSJ Journal, Vol.7, No.1, pp.199-204 (June 2008), in Japanese.

  88. H.Sago, M.Shinohara, T.Hara, and S.Nishio: "Data Dissemination Methods Considering Dissemination History for Information Sharing based on Inter-Vehicle Communication" DBSJ Journal, Vol.7, No.1, pp.205-210 (June 2008), in Japanese.

  89. M.Erdmann, K.Nakayama, T.Hara, and S.Nishio: "Extraction of Bilingual Terminology from a Multilingual Web-based Encyclopedia", Journal of the Information Processing Society of Japan, Vol.49, No.7, pp.2468-2479 (July 2008).

  90. G.Hattori, T.Hara, Y.Takishima, F.Sugaya, and S.Nishio: "Proposal and Evaluation of a Click-based Web Search System Using Surrounding Words", Transactions of the Information Processing Society of Japan: Database, Vol.1, No.2, pp.26-37 (Sept. 2008), in Japanese.

  91. T.Hara and S.Madria: "Data Dissmination Methods for Time-Constraint Applications in Mobile Ad Hoc Networks", Journal of Interconnection Networks (JOIN), Vol.9, No.4, pp.351-367 (Dec. 2008).

  92. T.Watanabe, A.Kanzaki, T.Hara, and S.Nishio: "A Proposal of Update Propagation Strategies Considering Degree of Data Update in Peer-to-Peer Networks" DBSJ Journal, Vol.7, No.3, pp.13-18 (Dec. 2008), in Japanese.

  93. K.Treeprapin, A.Kanzaki, T.Hara, and S.Nishio: "An Effective Mobile Sensor Control Method for Sparse Sensor Networks", Sensors, Vol.9, No.1, pp.327-354 (Jan. 2009).

  94. M.Kaji, T.Hara, and S.Nishio: "On-line Radio Map Generation for WiFi Localization and Its Characteristics", Journal of the Information Processing Society of Japan, Vol.50, No.1, pp.51-63 (Jan. 2009), in Japanase

  95. S.Kitajima, T.Hara, T. Terada, and S.Nishio: "A Filtering Order Adaptation Method Based on Attractor Selection for Data Broadcasting System", Journal of the Information Processing Society of Japan, Vol.50, No.2, pp.846-859 (Feb. 2009), in Japanase

  96. D.Komaki, K.Ohnishi, Y.Arase, G.Hattori, T.Hara, and S.Nishio: "Design and Implementation of A Click-Search Interface for Web Browsing Using Cellular Phones", International Journal of Web and Grid Services (IJWGS), Vol.5, No.1, pp.66-84 (Mar. 2009).

  97. T.Hara and S.Madria: "Consistency Management Strategies for Data Replication in Mobile Ad Hoc Networks", IEEE Transactions on Mobile Computing, Vol.8, No.7, pp.950-967 (July 2009).

  98. S.Kitajima, T.Hara, T.Terada, T.Yoshihisa, and S.Nishio: "A Query Processing Method Considering the Energy Consumption for Broadcast Database Systems", Journal of the Information Processing Society of Japan, Vol.50, No.9, pp.2284-2297 (Sept. 2009), in Japanase

  99. M.Erdmann, K.Nakayama, T.Hara, and S.Nishio: "Improving the Extraction of Bilingual Terminology from Wikipedia", ACM Transactions on Multimedia Computing, Communications and Applications, Vol.5, No.4, pp.31-1-31-17 (Oct. 2009).

  100. K.Nakayama, M.Ito, M.Erdmann, M.Shirakawa, T.Michishita, T.Hara, and S.Nishio: "Wikipedia Mining: Challenge for Realizing Early Profits, The Kick Off", Transactions of the Japanese Society for Artificial Intelligence, Vol.24, No.6, pp.549-557 (Oct. 2009), in Japanese.

  101. K.Nakayama, M.Ito, M.Erdmann, M.Shirakawa, T.Michishita, T.Hara, and S.Nishio: "Wikipedia Mining: A Survey on Wikipedia Researches", Transactions of the Information Processing Society of Japan: Database, Vol.2, No.4(TOD 44), pp.49-60 (Dec. 2009), in Japanese.

  102. R.Hagihara, M.Shinohara, T.Hara, and S.Nishio: "A Message Processing Method for Top-k Query in Ad Hoc Networks", Journal of the Information Processing Society of Japan, Vol.51, No.1, pp.152-162 (Jan. 2010), in Japanase

  103. T.Hara: "Quantifying Impact of Mobility on Data Availability in Mobile Ad Hoc Networks", IEEE Transactions on Mobile Computing, Vol.9, No.2, pp.241-258 (Feb. 2010).

  104. T.Hara, K.Maeda, Y.Ishi, W.Uchida, and S.Nishio: "Cooperative Caching by Clients Constructing a Peer-to-Peer network for Push-based broadcast", Data and Knowledge Engineering, Vol.69, No.2, pp.229-247 (Feb. 2010).

  105. Y.Kobayashi, T.Watanabe, A.Kanzaki, T.Yoshihisa, T.Hara, and S.Nishio: "A Search Method Using Dynamic Cluster in Peer-to-Peer Networks," Journal of the Information Processing Society of Japan, Vol.51, No.3, pp.740-752 (Mar. 2010), in Japanase

  106. M.Iwata, Y.Arase, T.Hara, and S.Nishio: "Web Browser for Children Using a Bubble Metaphor", International Journal of Web Information Systems, Vol.6, No.1, pp.55-73 (Apr. 2010).

  107. T.Hara and S.Nishio: "Global Consistency Management Methods Based on Escrow Approaches in Mobile Ad Hoc Networks", International Journal on Mobile Information Systems, Vol.6, No.1, pp.5-26 (Apr. 2010).

  108. T.Ogawa, T.Shinjo, S.Kitajima, T.Hara, and S.Nishio: "Node Control Methods to Reduce Power Consumption Using Push-Based Broadcast for Mobile Sesor Networks", Journal of Mobile Multimedia, Vol.6, No.2, pp.114-127 (June 2010).

  109. M.Shirakawa, K.Nakayama, E.Aramaki, T.Hara, and S.Nishio: "Relation Extraction between Related Concepts using Web Search Queries with Case Particles" DBSJ Journal, Vol.9, No.1, pp.35-40 (June 2010), in Japanese.

  110. Y.Nose, A.Kanzaki, T.Hara, and S.Nishio: "A Route Construction Based on Measured Characteristics of Radio Propagation in Wireless Sensor Networks", Journal of Ambient Intelligence and Humanized Computing, Vol.1, No.4, pp.259-270 (July 2010).

  111. T.Yoshihisa, T.Hara, and S.Nishio: "A Method for Streaming Delivery to Reduce Interruption Time on Broadcast and Communications Integration Environments," Journal of the Information Processing Society of Japan, Vol.51, No.8, pp.1402-1412 (Aug. 2010), in Japanase

  112. Y.Kosaka, A.Kanzaki, T.Hara, and S.Nishio: "P2P Network Based on Cycle of Sensing in Ubiquitous Sensor Environment", Journal of the Information Processing Society of Japan, Vol.51, No.9, pp.1892-1904 (Sept. 2010), in Japanase

  113. T.Hara, R.Hagihara, Y.Sasaki, M.Shinohara, and S.Nishio: "Efficient Top-k Query Processing in Mobile Ad Hoc Networks", (Invited Paper), International Journal of Next-Generation Computing, Vol.1, No.2, pp.193-210 (Nov. 2010).

  114. Y.Arase, T.Hara, T.Uemukai, and S.Nishio: "Annotation and Auto-scrolling for Web Page Overview in Mobile Web Browsing", International Journal of Handheld Computing Research (IJHCR), Vol.1, No.4, pp.63-80 (Dec. 2010).

  115. Y.Sasaki, A.Kanzaki, T.Hara, and S.Nishio: "A Top-k Query Processing Method by Predicting Score Distribution in Mobile Ad Hoc Networks", Journal of the Information Processing Society of Japan, Vol.52, No.1, pp.175-186 (Jan. 2011), in Japanase.

  116. K.Treeprapin, A.Kanzaki, T.Hara, and S.Nishio: "A Node Deployment Strategy for Efficient Sensing with Mobile Sensors in Sparse Sensor Networks", Journal of the Information Processing Society of Japan, Vol.52, No.3, pp.968-982 (Mar. 2011).

  117. S.Sakashita, T.Yoshihisa, T.Hara, and S.Nishio: "A Method to Reduce Interruption Time in P2P Streaming Environments", Journal of the Information Processing Society of Japan, Vol.52, No.3, pp.1045-1054 (Mar. 2011), in Japanase.

  118. M.Iwata, Y.Arase, T.Hara, and S.Nishio: "A Re-ranking Method of Search Results for Web Search by Children", Journal of the Information Processing Society of Japan, Vol.52, No.3, pp.1055-1068 (Mar. 2011), in Japanase.

  119. M.Shirakawa, K.Nakayama, E.Aramaki, T.Hara, and S.Nishio: "An Effort for Ontology Construction by Combining Wikipedia and Web Information ", Transactions of the Institute of Electronics, Information and Communication Engineers D, Vol.94, No.3, pp.525-539 (Mar. 2011), in Japanese.

  120. M.Ito, K.Nakayama, T.Hara, and S.Nishio: "Semantic Relatedness Measurement based on Wikipedia Link Co-occurrence Analysis", International Journal of Web Information Systems, Vol.7, No.1, pp.44-61 (Apr. 2011).

  121. Y.Arase, T.Hara, D.Komaki, S.Nishio: "Mobile Search Assistance from HCI Aspect" (Invited Paper), International Journal of Space-Based and Situated Computing (IJSSC), Vol.1, No.1, pp.18-29 (Apr. 2011).

  122. A.Kanzaki, Y.Iima, T.Hara, and S.Nishio: "A Traffic Reduction Method Using Packet Overhearing and Data Interpolation in Wireless Sensor Networks", Journal of the Information Processing Society of Japan, Vol.52, No.4, pp.1678-1692 (Apr. 2011), in Japanase.

  123. M.Shirakawa, K.Nakayama, E.Aramaki, T.Hara, and S.Nishio: "A Method for Context-oriented Related Entity Extraction from Multiple Words", DBSJ Journal, Vol.10, No.1, pp.55-60 (June 2011), in Japanese.

  124. L.Shu, T.Hara, S.Nishio, Y.Chen, M.Hauswirth: "The New Challenge: Mobile Multimedia Sensor Networks," International Journal of Multimedia Intelligence and Security, Vol.2, No.2, pp.107-119 (July 2011).

  125. D.Komaki, A.Oku, Y.Arase, T.Hara, T.Uemukai, G.Hattori, S.Nishio: "Content Comparison Functions for Mobile Co-located Collaborative Web Search", Journal of Ambient Intelligence and Humanized Computing, Vol.3, No.3, pp.239-248 (Sept. 2011).

  126. L.Shu, T.Hara, S.Nishio: "Multimedia Streaming in Mobile Sensor Networks with Duty-Cycle and Environmental Energy Harvesting," IEEE COMSOC MMTC E-Letter, Vol.6, No.9, pp.20-24 (Sept. 2011).

  127. S.Kondo, A.Kanzaki, T.Hara, and S.Nishio: "Integration of Traffic Reduction Based on Spatial and Temporal Correlation and Sleep Scheduling in Wireless Sensor Networks", DBSJ Journal, Vol.10, No.2, pp.1-6 (Oct. 2011), in Japanese.

  128. M.Umezawa, T.Yoshihisa, T.Hara, and S.Nishio: "Streaming Delivery Methods for Interruption Time Reduction by Finer Data Division on Broadcast and Communication Integration Environments," DBSJ Journal, Vol.10, No.2, pp.7-12 (Oct. 2011), in Japanese.

  129. W.Cai, M.Chen, T.Hara, L.Shu, and T. Kwon: "A Genetic Approach to Multiple Mobile Agents Itinerary Planning in Wireless Sensor Networks", ACM/Springer Journal on Mobile Networks and Applications (MONET), Vol.16, No.6, pp.782-793 (Dec. 2011).

  130. K.Treeprapin, A.Kanzaki, T.Hara, and S.Nishio, "Effective Node Deployment in Sparse Mobile Sensor Networks," Journal of Information Processing, Vol.20, No.1, pp.104-113 (Jan. 2012).

  131. Y.Taniguchi, A.Kanzaki, N.Wakamiya, and T.Hara, "An Energy-Efficient Data Gathering Mechanism Using Traveling Wave and Spatial Interpolation for Wireless Sensor Networks," Journal of Information Processing, Vol.20, No.1, pp.167-176 (Jan. 2012).

  132. T.Fujii, M.Kaji, Y.Sasaki, T.Hara, and S.Nishio: "A Information dissemination Method Based on Ack-carry Scheme in Mobile Ad Hoc Networks," Journal of Information Processing Vol.53, No.1, pp.286-297 (Jan. 2012).

  133. K.Goto, Y.Sasaki, T.Hara, and S.Nishio: "A Mobile Agents Control Method for Sensor Data Gathering Based on Geographical Granularity in Dense Mobile Sensor Networks", Journal of Information Processing, Vol.53, No.2, pp.741-753 (Feb. 2012).

  134. S.Kondo, A.Kanzaki, T.Hara, and S.Nishio: "Integration of Traffic Reduction and Sleep Scheduling in Wireless Sensor Networks", International Journal of Computer Systems Science and Engineering, Vol.27, No.3 (May 2012).

  135. M.Shirakawa, K.Nakayama, E.Aramaki, T.Hara, and S.Nishio: "Related Entity Inference Using Wikipedia and Bayes' Theorem and Its Application for Short Text Clustering", DBSJ Journal, Vol.11, No.1, pp.37-42 (June 2012), in Japanese.

  136. M.Shirakawa, K.Nakayama, E.Aramaki, T.Hara, and S.Nishio: "Probabilistic Term Classification by Analyzing Wikipedia Category Graph and Its Application", Transactions of the Information Processing Society of Japan: Database, Vol.5, No.3, pp.51-63 (Sept. 2012), in Japanese.

  137. Y.Chen, M.Li, L.Shu, L.Wang, and T.Hara: "A Proportional Fairness Backoff Scheme for Funneling Effect in Wireless Sensor Networks," Transactions on Emerging Telecommunications Technologies, Vol.23, No.6, pp.585-597 (Oct. 2012).

  138. G.Han, H.Xu, T.Q.Duong, J.Jiang, and T.Hara: "Localization Algorithms of Wireless Sensor Networks: A Survey," Telecommunication Systems, Vol.52, No.4, pp.2419-2436 (Jan. 2013).

  139. H.Fujimoto, T.Hara, and S.Nishio: "Online Topic Analysis with Online Optimal Smoothing and Dynamically Evolving Vocabulary," Transactions of the Institute of Electronics, Information and Communication Engineers D, Vol.J96-D, No.5, pp.1212-1221 (May 2013), in Japanese.

  140. M.Shirakawa, K.Nakayama, E.Aramaki, T.Hara, and S.Nishio: "Extracting Relations Between Classes from Huge Text Corpus Using Wikipedia and WordNet", DBSJ Journal, Vol.12, No.1, pp.37-42 (June 2013), in Japanese.

  141. Y.Sasaki, T.Hara, and S.Nishio: "Replication Strategy and Message Processing Method for Top-k Query in MANETs", DBSJ Journal, Vol.12, No.1, pp.115-120 (June 2013), in Japanese.

  142. M.Iwata, H.Miyamoto, T.Hara, D.Komaki, K.Shimatani, T.Mashita, K.Kiyokawa, T.Uemukai, G.Hattori, S.Nishio, H.Takemura: "A Content Search System Considering the Activity and Context of a Mobile User," Personal and Ubiquitous Computing, Vol.17, No.5, pp.1035-1050 (June 2013).

  143. D.Amagata, Y.Sasaki, T.Hara, and S.Nishio: "A Top-k Query Routing Method in Mobile Ad Hoc Networks," Journal of Information Processing, Vol.54, No.8, pp.2036-2047 (Aug. 2013), in Japanese.

  144. Y.Liu, J.Niu, J.Ma, L.Shu, T.Hara, and W.Wang: "The Insights of Message Delivery Delay in Vanets with a Bidirectional Traffic Model," Journal of Network and Computer Applications, Vol.36, No.5, pp.1287-1294 (Sept. 2013).

  145. K.Goto, Y.Sasaki, T.Hara, and S.Nishio "Data Gathering Using Mobile Agents for Reducing Traffic in Dense Mobile Wireless Sensor Networks," International Journal on Mobile Information Systems, Vol.9, No.4, pp.295-314 (Oct. 2013).

  146. T.Nakamura, M.Shirakawa, T.Hara, and S.Nishio: "Language-independent Short Text Similarity Measurements by Generating the Vector of Wikipedia Articles", DBSJ Journal, Vol.12, No.2, pp.7-12 (Oct. 2013), in Japanese.

  147. G.Han, H.Xu, J.Jiang, L.Shu, T.Hara, and S.Nishio: "Path Planning Using a Mobile Anchor Node Based on Triangulation in Wireless Sensor Networks," Wireless Communications and Mobile Computing, Vol.13, No.14, pp.1324-1336 (Oct. 2013).

  148. H.Fujimoto, T.Hara, and S.Nishio: "Development of Car Navigation System Operated by Naturally Speaking," Transactions of the Institute of Electronics, Information and Communication Engineers D, Vol.J96-D, No.11, pp.2815-2824 (Nov. 2013), in Japanese.

  149. M.Umezawa, T.Yoshihisa, T.Hara, and S.Nishio: "Streaming Delivery Methods to Reduce Interruption Time considering Clients' Received Data on Broadacast and Communication Integration Environments," Journal of Information Processing, Vol.54, No.11, pp.2349-2359 (Nov. 2013), in Japanese.

  150. M.Yokoyama, T.Yoshihisa, T.Hara, and S.Nishio: "A Method to Reduce Interruption Time of Model and Motion Separated Contents in P2P Streaming Environments," Journal of Information Processing, Vol.54, No.11, pp.2360-2370 (Nov. 2013), in Japanese.

  151. C.Zhu, L.Shu, T.Hara, L.Wang, S.Nishio, and L.T. Yang: "A Survey on Communication and Data Management Issues in Mobile Sensor Networks," Wireless Communications and Mobile Computing, Vol.14, No.1, pp.19-36 (Jan. 2014).

  152. Y.Okaie, T.Nakano, T.Hara, S.Nishio: "Distributing Nanomachines for Minimizing Mean Residence Time of Molecular Signals in Bionanosensor Networks," IEEE Sensors Journal, Vol.14, No.1, pp.218-227 (Jan. 2014).

  153. R.Kato, M.Iwata, T.Hara, A.Suzuki, Y.Arase, X.Xing, and S.Nishio: "A Duumy-based Method Based on User Trajectory with Pause for Location Privacy Protection," Journal of Information Processing, Vol.55, No.1, pp.505-518 (Jan. 2014), in Japanese.

  154. D.Amagata, Y.Sasaki, T.Hara, and S.Nishio: "A Cluster-based Top-k Query Routing Method in Mobile Ad Hoc Networks," Journal of Information Processing, Vol.55, No.5, pp.1555-1567 (May 2014), in Japanese.

  155. Y.Komai, Y.Sasaki, T.Hara, and S.Nishio: "KNN Query Processing Methods in Mobile Ad Hoc Networks", IEEE Transactions on Mobile Computing, Vol.13, No.5, pp.1090-1103 (May 2014).

  156. Y.Sasaki, T.Hara, and S.Nishio: "Top-k Query Processing for Replicated Data in Mobile Peer to Peer Networks," Journal of Systems and Software, Vol.92, pp.45-58 (June 2014).

  157. Y.Okaie, T.Nakano, T.Hara, S.Nishio: "Autonomous Mobile Bionanosensor Networks for Target Tracking: A Two-dimensional Model," Nano Communication Networks, Vol.5, No.3, pp.63-71 (Sept. 2014.

  158. Y.Okaie, T.Nakano, T.Hara, T.Obuchi, K.Hosoda, Y.Hiraoka, S.Nishio: "Cooperative Target Tracking by a Mobile Bionanosensor Network," IEEE Transactions on Nanobioscience, Vol.13, No.3, pp.267-277 (Sept. 2014).

  159. Y.Komai, Y.Sasaki, T.Hara, and S.Nishio: "k-Nearest Neighbor Search Based on Node Density in MANETs", Mobile Information Systems , Vol.10, No.4, pp.385-405 (Nov. 2014).

  160. C.Zhu, L.T.Yang, L.Shu, T.Hara, and S.Nishio: "Insights of Top-k Query in Duty-Cycled Wireless Sensor Networks," IEEE Transactions on Industrial Electronics, Vol.62, No.2, pp.1317-1328 (Feb. 2015).

  161. D.Amagata, Y.Sasaki, T.Hara, and S.Nishio: "Efficient Multi-Dimensional Top-K Query Processing in Wireless Multi-Hop Networks," Mobile Information Systems, Vol.2015, Article ID 657431 (Mar. 2015).

  162. Y.Komai, D.H.Nguyen, T.Hara, S.Nishio: "KNN Search Utilizing Index of the Minimum Road Travel Time in Time-Dependent Road Networks," DBSJ Journal, Vol.13, No.1, pp.43-49 (Mar. 2015).

  163. T.Sugitani, M.Shirakawa, T.Hara, S.Nishio: "A Method for Detecting Local Events using the Spatiotemporal Locality of Microblog Posts," International Journal of Web Information Systems, Vol.11, No.1, pp.2-16 (Mar. 2015).

  164. M.Shirakawa, K.Nakayama, T.Hara, S.Nishio: "Wikipedia-based Semantic Similarity Measurements for Noisy Short Texts Using Extended Naive Bayes," IEEE Transactions on Emerging Topics in Computing, Vol.3, No.2, pp.205-219 (Mar. 2015).

  165. K.Matsuo, K.Goto, A.Kanzaki, T.Hara, S.Nishio: "Efficient Boundary Detection Using Overhearing of Sensor Data and Diagram in Dense Mobile Wireless Sensor Networks," Journal of the Information Processing Society of Japan, Vol.56, No.3, pp.1107-1120 (Mar. 2015).

  166. Y.Komai, Y.Sakaki, T.Hara, S.Nishio: "K Nearest Neighbor Search for Location-Dependent Sensor Data in MANETs," IEEE Access, Vol.3, pp.942-954 (June 2015).

  167. K.Matsuo, K.Goto, A.Kanzaki, T.Hara, S.Nishio: "An Agent Control Method for Regathering Missing Data in Mobile Sensor Networks," Journal of the Information Processing Society of Japan, Vol.57, No.2, pp.506-519 (Feb. 2016).

  168. K.Udomlamlert, T.Hara, and Shojiro Nishio: "Threshold-based Distributed Continuous Top-k Query Processing for Minimizing Communication Overhead," IEICE Transactions on Information and Systems, Vol.E99-D, No.2, pp.383-396 (Feb. 2016).

  169. L.Zuo, L.Shu, S.Dong, C.Zhu, T.Hara: "A Multi-Objective Optimization Scheduling Method Based on the Ant Colony Algorithm in Cloud Computing," IEEE Access, Vol.3, pp.2687-2699 (Dec. 2015)

  170. T.Hara, A.Suzuki, M.Iwata, Y.Arase, X.Xie: "Dummy-based User Location Anonymization under Real-World Constraints," IEEE Access, Vol.4, pp.673-687 (Feb. 2016).

  171. T.Tsuda, Y.Komai, T.Hara, S.Nishio: "Top-k Query Processing and Malicious Node Identification Based on Node Grouping in MANETs," IEEE Access, Vol.4, pp.993-1007 (Mar. 2016).

  172. W.Jing, L.Hu, L.Shu, M.Mukherjee, T.Hara: "RPR: Recommendation for Passengers by Roads based on Cloud Computing and Taxis Traces Data," Personal and Ubiquitous Computing, Vol.20, No.3, pp.337-347 (June 2016).

  173. D.Amagata, Y.Sasaki, T.Hara, and S.Nishio: "Probabilistic Nearest Neighbor Query Processing on Distributed Uncertain Data," Distributed and Parallel Databases, Vol.34, No.2, pp.259-287 (June 2016).

  174. D.Amagata, Y.Sasaki, T.Hara, and S.Nishio: "Efficient Processing of Top-k Dominating Queries in Distributed Environments," World Wide Web, Vol.19, No.4, pp.545-577 (July 2016).

  175. N.Nakayama, D.Amagata, T.Hara, and S.Nishio: "An Efficient Data Monitoring Method in Mobile Ad Hoc Networks," Journal of the Information Processing Society of Japan, Vol.57, No.12, pp.2798-2810 (Dec. 2016).

  176. T.Nakano, Y.Okaie, S.Kobayashi, T.Koujin, C.-H.Chan, Y.-H.Hsu, T.Obuchi, T.Hara, Y.Hiraoka, T.Haraguchi: "Performance Evaluation of Leader-follower-based Mobile Molecular Communication Networks for Target Detection Applications," IEEE Transactions on Communications, Vol.65, No.2, pp.663-676 (Feb. 2016).

  177. K.Udomlamlert, T.Hara, S.Nishio: "Subscription-based Data Aggregation Techniques for Top-k Monitoring Queries," World Wide Web, Vol.20, No.2, pp.237-265 (Mar. 2016).

  178. Y.Kaneko, T.Ito, T.Hara: "A Measurement Study on Applying Hardware Virtualization for Building Facilities Monitoring," Journal of the Information Processing Society of Japan, Vol.58, No.2, pp.461-470 (Feb. 2017).

  179. M.Yokoyama, T.Hara: "An Efficient Top-k Result Diversification Method for Mobile Sensor Database," Journal of the Information Processing Society of Japan, Vol.58, No.2, pp.481-494 (Feb. 2017).

  180. N.Taguchi, D.Amagata, T.Hara, S.Nishio: "English Title: Skyline Query Processing based on Distance, Keyword, and Social Relationship," DBSJ Journal, Vol.15-J, No.8, Article No.3 (Mar. 2017).

  181. N.Nakayama, D.Amagata, T.Hara, and S.Nishio: "Two-Phase MaxRS Query Processing Method in Mobile Ad Hoc Networks," DBSJ Journal, Vol.15-J, No.8, Article No.8 (Mar. 2017).

  182. T.Hara: "Data Management Issues in Mobile Ad Hoc Networks," Proceedings of the Japan Academy, Series B, Vol.93, No.5, pp.270-296 (May 2018)

  183. T.Yoshihisa, T.Hara: "A Stream Processing Time Reduction Scheme by Process Reduction for IoT Environments," Journal of the Information Processing Society of Japan, Vol.58, No.4, pp.898-907 (Apr. 2017).

  184. D.Amagata, T.Hara: "A General Framework for Maxrs and Maxcrs Monitoring in Spatial Data Streams," ACM Transactions on Spatial Algorithms and Systems,Vol.3, No.1, Article 1 (May 2017).

  185. S.Nishio, D.Amagata, T.Hara: "Geo-Social Keyword Top-k Data Monitoring," Transactions of the Information Processing Society of Japan: Database, Vol.10, No.2, pp.8-18 (June 2017).

  186. D.Amagata, Y.Sasaki, T.Hara, and S.Nishio: "Efficient Cluster-based Top-k Query Routing with Data Replication in MANETs," Soft Computing, Vol.21, No.15, pp.4161-4178 (Aug. 2017).

  187. M.Shirakawa, T.Hara, S.Nishio: "IDF for Word N-grams," ACM Transactions on Information Systems, Vol.36, No.1, Article 5 (Aug. 2017).

  188. D.Amagata, T.Hara: "Mining Top-k Co-occurrence Patterns across Multiple Streams," IEEE Transactions on Knowledge and Data Engineering, Vol.29, No.10, pp.2249-2262 (Oct. 2017).

  189. D.Amagata, T.Hara, M.Onizuka: "Space Filling Approach for Distributed Processing of Top-k Dominating Queries," IEEE Transactions on Knowledge and Data Engineering, Vol.30, No.6, pp.1150-1163 (Jan. 2018).

  190. Y.Kaneko, T.Ito, T.Hara: "Estimation Method for Measurement Time Errors of Virtualized Building Facilities Monitoring Applications," Journal of the Information Processing Society of Japan, Vol.59, No.2, pp.362-371 (Feb. 2018).

  191. W.Zhao, J.Liu, H.Guo, T.Hara: "ETC-IoT: Edge-Node-Assisted Transmitting for the Cloud-Centric Internet of Things," IEEE Network, Vol.32, No.3, pp.101-107, (June 2018).

  192. S.Hayashida, D.Amagata, T.Hara, X.Xie: "Dummy Generation Based on User-Movement Estimation for Location Privacy Protection," IEEE Access, Vol.6, pp.22958-22969 (2018).

  193. W.Zhao, J.Liu, T.Hara: "Optimal Replica Distribution in Edge-Node-Assisted Cloud-P2P Platforms for Real-Time Streaming," IEEE Transactions on Vehicular Technology, Vol.67, No.9, pp.8637-8646 (Sept. 2018).

  194. K.Matsuo, K.Goto, A.Kanzaki, T.Hara: "Efficient Periodical Boundary Detection Through Boundary Crossing Record and Sensor Data Overhearing in Dense MWSNs," Pervasive and Mobile Computing, Vol.49, pp.45-61 (Sept. 2018).

  195. T.Nakatani, T.Maekawa, M.Shirakawa, D.Amagata, T.Hara: "Estimating The Physical Distance Between Two Locations With Wi-Fi Received Signal Strength Information Using Obstacle-aware Approach," Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Vol.2, Issue 3, No.130 (Sept. 2018). (Presented at UbiComp 2018)

  196. T.Dissanayake, T.Maekawa, M.Shirakawa, D.Amagata, T.Hara: "Detecting Door Events Using a Smartphone via Active Sound Sensing," Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Vol.2, No.4, No.160 (Dec. 2018). (Presented at UbiComp 2019)

  197. T.Nakamura, M.Shirakawa, T.Hara, S.Nishio: "Wikipedia-based Relatedness Measurements for Multilingual Short Text Clustering," ACM Transactions on Asian and Low-Resource Language Information Processing, Vol.18, No.2, Article No. 16 (Feb. 2019).

  198. S.Kato, D.Amagata, S.Nishio, T.Hara: "Motif Monitoring for Streaming Time-Series," Journal of the Information Processing Society of Japan, Vol.60, No.7, pp.1260-1269 (July 2019).

  199. Y.Sasaki, T.Hara, Y.Ishikawa: "Efficient Framework for Processing Top-k Queries with Replication in Mobile Ad Hoc Networks," GeoInformatica, Vol.23, No.4, pp.591-620 (May 2019).

  200. T.Nakano, Y.Okaie, S.Kobayashi, T.Hara, Y.Hiraoka, T.Haraguchi: "Methods and Applications of Mobile Molecular Communication", Proceedings of the IEEE, Vol.107, No.7, pp.1442-1456 (July 2019).

  201. T.Nakano, L.Lin, Y.Okaie, C.Wu, H.Yan, T.Hara, K.Harumoto: "Random Cell Motion Enhances the Capacity of Cell-cell Communication," IEEE Transactions on Molecular, Biological, and Multi-Scale Communications, Vol.5, No.2, pp.158-162 (Nov. 2019).

  202. S.Kato, D.Amagata, S.Nishio, T.Hara: "Discord Monitoring for Streaming Time-Series," Journal of the Information Processing Society of Japan,Vol.61, No.2, pp.510-519 (Feb. 2020).

  203. X.Cao, S.Madria, T.Hara: "Multi-model Z-compression for High Speed Data Streaming and Low-power Wireless sensor Networks," Distributed and Parallel Databases, Vol.38, pp.153-191 (Mar. 2020).

  204. T.Nakamura, S.Fujita, T.Hara: "A Cross Web Media Investigation on Trend Entities," DBSJ Journal, Vol.18-J, Article No. 12 (Mar. 2020).

  205. B.Gao, T.Maekawa, D.Amagata, T.Hara, "Detecting Reinforcement Learning-based Grey Hole Attack in Mobile Wireless Sensor Networks," IEICE Transactions on Communications, Vol.E103.B, No.5, pp.504-516 (May 2020).

  206. K.Adhinugraha, W.Rahayu, T.Hara, D.Taniar: "On Internet-of-Things (IoT) Gateway Coverage Expansion," Future Generation Computer Systems, Vol.107, pp.578-587 (June 2020).

  207. H.Wang, D.Amagata, T.Makeawa, T.Hara, N.Hao, K.Yonekawa, M.Kurokawa: "A DNN-Based Cross-Domain Recommender System for Alleviating Cold-Start Problem in E-Commerce," IEEE Open Journal of the Industrial Electronics Society, Vol.1, pp.194-206 (July 2020).

  208. S.Kato, D.Amagata, T.Hara: "Monitoring Motif on Multi-dimensional Streaming Time-series," Journal of the Information Processing Society of Japan,Vol.61, No.9, pp.1567-1576 (Sept. 2020).

  209. B.Gao, D.Amagata, T.Maekawa, T.Hara, "Detecting Energy Depriving Malicious Nodes by Unsupervised Learning in Energy Harvesting Cooperative Wireless Sensor Networks," Journal of Information Processing, Vol.28, pp.689-698 (Oct. 2020).

  210. R.Schulz, B.Smaradottir, A.Prinz, T.Hara: "User-centred Design of a Scenario-based Serious Game: Game-based Teaching of Future Healthcare," IEEE Transactions on Games, Vol.12, No.4, pp.376-385 (Oct. 2020).

  211. Y.Arai, D.Amagata, T.Hara, S.Fujita: "An Approximate Range Search Algorithm with a Graph-based Index on High-dimensional Data," Journal of Information Processing, Vol.62, No.4, pp.1086-1098 (Apr. 2021).

  212. N.Yoshimura, T.Maekawa, T.Hara: "Visualization of Deep Feature Representation Toward Transfer Learning of Activity Recognition Models," Journal of Information Processing, Vol.62, No.5, pp.1307-1316 (May 2021).

  213. K.Adhinugraha, W.Rahayu, T.Hara, D.Tania: "Backup Gateways for IoT Mesh Network using Order-K Hops Voronoi Diagram," World Wide Web, Vol.24, No.3, pp.955-970 (May 2021).

  214. Y.Tian, T.Maekawa, J.Korpela, D.Amagata, T.Hara, S.Matsumoto, K.Yoda: "Automatic Identification of Differences in Behavioral Co-occurrence between Groups," Animal Biotelemetry , Vol.9, No.1, pp.1-15 (June 2021).

  215. T.Maekawa, D.Higashide, T.Hara, K.Matsumura, K.Ide, T.Miyatake, K.Kimura, S.Takahashi: "Cross-species Behavior Analysis with Attention-based Domain-adversarial Deep Neural Networks," Nature Communications, Vol.12 (Sept. 2021).

  216. C.Chen, T.Maekawa, D.Amagata, T.Hara: "Predicting Next-use Mobile Apps Using App Semantic Representations," Journal of Information Processing, Vol.29, pp.597-609 (Oct. 2021).

  217. K.Adhinugraha, W.Rahayu, T.Hara, D.Tania: "Dealing with Noise in Crowdsourced GPS Human Trajectory Logging Data," Concurrency and Computation: Practice and Experience, Vol.33, No.19 (Oct. 2021).

  218. S.Nishio, D.Amagata, T.Hara: "Lamps: Location-Aware Moving Top-k Pub/Sub," IEEE Transactions on Knowledge and Data Engineering, Vol.34, No.1, pp.352-364 (Jan. 2022).

  219. K.Adhinugraha, W.Rahayu, T.Hara, D.Tania: "Measuring Fault Tolerance in IoT Mesh Networks using Voronoi Diagram," Journal of Network and Computer Applications, Vol.199 (Mar. 2022).

  220. T.Dissanayake, T.Maekawa, T.Hara, T.Miyanishi, M.Kawanabe: "IndoLabel: Predicting Indoor Location Class by Discovering Location-specific Sensor Data Motifs," IEEE Sensors Journal, Vol.22, No.6, pp.5372-5385 (Mar. 2022).

  221. R.Taniguchi, D.Amagata, T.Hara: "Efficient Retrieval of Top-k Weighted Triangles on Static and Dynamic Spatial Data," IEEE Access, Vol.10, pp.55298-55307 (May 2022).

  222. N.Yoshimura, T.Maekawa, T.Hara, A.Wada, Y.Namioka: "Acceleration-based Activity Recognition of Repetitive Works with Lightweight Ordered-work Segmentation Network," , Vol.6, No.2, Article No 86 (July 2022).

  223. D.Amagata, M.Onizuka, T.Hara: "Fast, Exact, and Parallel-friendly Outlier Detection Algorithms with Proximity Graph in Metric Spaces," The VLDB Journal, Vol.31, No.4, pp.797-821 (July 2022).

  224. T.Yoshihisa, T.Hara: "A Low-Load Distributed Stream Processing System for Continuous Conjunctive Normal Form Queries," IEEE Transactions on Cloud Computing, Vol., No., pp.- (2020).

  225. Y.Zhang, M.Shirakawa, T.Hara: "Predicting Temporary Deal Success with Social Media Timing Signals," Journal of Intelligent Information Systems, Vol., No., pp.- (2021).

  226. Y.Nishino, T.Maekawa, T.Hara: "Few-Shot and Weakly Supervised Repetition Counting With Body-Worn Accelerometers," Frontiers in Computer Science, Vol., No., pp.- (2022).

  227. Y.Zhang, M.Shirakawa, Y.Wang, Z.Li, T.Hara: "Twitter-aided Decision Making: A Review of Recent Developments," Applied Intelligence, Vol., No., pp.- (2022).

  228. Y.Zhang, M.Shirakawa, T.Hara: "Generalized Durative Event Detection on Social Media," Journal of Intelligent Information Systems, Vol., No., pp.- (2022).

  229. Y.Zhang, T.Hara: "Explainable Integration of Social Media Background in a Dynamic Neural Recommender," ACM Transactions on Knowledge Discovery from Data, Vol., No., pp.- (2022).

International Conferences

  1. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Database Migration for Transaction Processing in ATM Networks", Proc. International Conference on Information Networking (ICOIN-11), Taipei, Vol.1, pp.1B-4.1-1B-4.10 (Jan. 1997).

  2. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Location Management Methods of Migratory Data Resources in ATM Networks", Proc. ACM Symposium on Applied Computing (ACM SAC'97), San Jose, California, U.S.A., Special Track on Database Technology, pp.123-130 (Feb. 1997).

  3. T.Hara, K.Harumoto, M.Tsukamoto, S.Nishio, and J.Okui: "Main Memory Database for Supporting Database Migration", Proc. IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (IEEE PACRIM '97), Victoria, Canada, Vol.1, pp.231-234 (Aug. 1997).

  4. H. Hagino, T.Hara, M.Tsukamoto, S.Nishio, and J.Okui: "A Location Management Method using Network Hierarchies", Proc. IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (IEEE PACRIM '97), Victoria, Canada, Vol.1, pp.243-246 (Aug. 1997).

  5. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "DB-MAN: A Distributed Database System based on Database Migration in ATM Networks", Proc. International Conference on Data Engineering (ICDE'98), Orlando, Florida, U.S.A., pp.522-531 (Feb. 1998).

  6. T.Hara, E.Yajima, M.Tsukamoto, S.Nishio, and J.Okui: "A Scheduling Strategy of a Broadcast Program for Correlative Data", Proc. ISCA International Conference on Computer Applications in Industry and Engineering (ISCA CAINE'98), Las Vegas, Nevada, U.S.A., pp.141-145 (Nov. 1998).

  7. T.Akiyama, T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Database Migration Based on Access Skew Detection", Proc. International Symposium on Database, Web, and Cooperative Systems (DWACOS'99), Baden-Baden, Germany, pp.65-72 (Aug. 1999).

  8. T.Hara, M.Tsukamoto, and S.Nishio: "A Scheduling Method of Database Migration for WAN Environments", Proc. of Brazilian Symposium on Databases (SBBD'99), Florianopolis, Santa Catarina, Brazil, pp.125-136 (Oct. 1999).

  9. M.Nishizawa, H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "A Routing Method Usin Uni-directional Link in Ad Hoc Networks", Proc. of 7th International Conference on Advanced Computing and Communications (ADCOM'99), Roorkee, India, pp.78-82 (Dec. 1999).

  10. Y.H.Loh, T.Hara, M.Tsukamoto, and S.Nishio: "A Hybrid Method for Concurrent Updates on Disconnected Databases in Mobile Comuting Environments", Proc. of ACM Symposium on Applied Computing (ACM SAC2000), Como, Italy, Vol.2, pp.563-565 (Feb. 2000).

  11. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Dynamic Replica Allocation Using Database Migration in Broadband Networks", Proc. of International Conference on Distributed Computing Systems (ICDCS 2000), Taipei, pp.376-384 (Apr. 2000).

  12. T.Hara, M.Tsukamoto, and S.Nishio: "Database Migration in WAN Environments: How Can It Earn Good Performance?", Proc. of International Conference on Database and Expert Systems Applications (DEXA 2000), London, UK, pp.79-91 (Sept. 2000).

  13. E.Yajima, T.Hara, M.Tsukamoto, and S.Nishio: "Interval Optimization of Correlated Data Items in Data Broadcasting", Proc. of International Conference on Advances in Information Systems (ADVIS 2000), Izmur, Turkey, pp.127-136 (Oct. 2000).

  14. H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "Store and Flood: A Packet Routing Protocol for Frequently Changing Topology with Ad-Hoc Networks", Proc. of International Conference on Advances in Information Systems (ADVIS 2000), Izmur, Turkey, pp.137-146 (Oct. 2000).

  15. H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "Mr.G: Mobile Routing Method for Group Migration", Proc. of Asian International Mobile Computing Conference (AMOC 2000), Penang, Malaysia, pp.123-130 (Oct. 2000).

  16. T.Uemukai, H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "A Remote WWW Display Environment Using a Cellular Phone WWW Service", Proc. of Asian International Mobile Computing Conference (AMOC 2000), Penang, Malaysia, pp.131-139 (Oct. 2000).

  17. H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "Location Management of Mobile Hosts by Grouping Routers", Proc. ACM Symposium on Applied Computing (ACM SAC 2001), Las Vegas, Nevada, U.S.A., pp.373-380 (Mar. 2001).

  18. E.Yajima, T.Hara, M.Tsukamoto, and S.Nishio: "Scheduling and Caching Strategies for Broadcasting Correlated Data", Proc. ACM Symposium on Applied Computing (ACM SAC 2001), Las Vegas, Nevada, U.S.A., pp.504-509 (Mar. 2001).

  19. T.Hara: "Effective Replica Allocation in Ad Hoc Networks for Improving Data Accessibility", Proc. of IEEE Infocom 2001, Anchorage, Alaska, U.S.A., Vol.3, pp.1568-1576 (Apr. 2001).

  20. T.Uemukai, H.Hagino, T.Hara, M.Tsukamoto, and S.Nishio: "An Access Control Mechanism in a Remote Display Environment", Proc. of IASTED International Conference on Advances in Communications (AIC 2001), Rhodes, Greece, pp.178-183 (July 2001).

  21. W.Uchida, T.Hara, E.Yajima, and S.Nishio: "Broadcast Scheduling of Correlated Data Considering Access Frequency in Push-based Systems", Proc. of IASTED International Conference on Advances in Communications (AIC 2001), Rhodes, Greece, pp.150-155 (July 2001).

  22. T.Hara: "Replica Allocation in Ad Hoc Networks with Periodic Data Update", Proc. of Interntional Conference on Mobile Data Management (MDM 2002), Singapore, pp.79-86 (Jan. 2002).

  23. T.Akiyama, S.Sakai, A.Umigai, T.Hara, M.Tsukamoto, and S.Nishio: "Design and Implementation of DB-MANa: Does Database Migration Work Well in a Real Environment", Proc. of Australasian Database Conference (ADC 2002), Melbourne, Australia, pp.23-31 (Jan. 2002).

  24. W.-G. Wang, T. Hara, M. Tsukamoto, and S. Nishio: "AODV Compatible Routing with Extensive Use of Cache Information in Ad-hoc Networks", Proc. of ACM Symposium on Applied Computing (ACM SAC2002), Madrid, Spain, pp.852-859 (Mar. 2002).

  25. T.Uemukai, T.Hara, M.Tsukamoto, and S.Nishio: "A Remote Display Environment: An Integration of Mobile and Ubiquitous Computing Environments", Proc. of IEEE Wireless Communications and Networking Conference (IEEE WCNC 2002), Orlando, Florida, U.S.A, pp.618-624 (Mar. 2002).

  26. T.Hara: "Cooperative Caching by Mobile Clients in Push-based Information Systems", Proc. of ACM International Conference on Information and Knowledge Management (ACM CIKM'02), McLean, VA, U.S.A., pp.186-193 (Nov. 2002).

  27. T.Hara: "Replicating Data with Aperiodic Update in Ad Hoc Networks", Proc. of IASTED International Conference on Communications, Internet and Information Technology (CIIT 2002), Virgin Islands, U.S.A., pp.242-247 (Nov. 2002).

  28. M.Kashita, T.Terada, T.Hara, M.Tsukamoto, and S.Nishio: "A Collaborative Query Processing Method for a Database Broadcasting System", Proc. of IASTED International Conference on Communications, Internet and Information Technology (CIIT 2002), Virgin Island, U.S.A., pp.60-66 (Nov. 2002).

  29. A.Kanzaki, T.Uemukai, T.Hara, and S.Nishio: "Dynamic TDMA Slot Assignment in Ad Hoc Networks", Proc. of International Conference on Advanced Information Networking and Applications (AINA 2003), Xian, China, pp.330-335 (Mar. 2003).

  30. M.Kashita, T.Terada, T.Hara, M.Tsukamoto, and S.Nishio: "An Adaptive Query Processing Method according to System Environments in Database Broadcasting Systems", Proc. of ISCA International Conference on Computers and Their Applications (CATA-2003), Honolulu, Hawaii, U.S.A., pp.174-179 (Mar. 2003).

  31. W.Uchida, T.Hara, and S.Nishio: "Scheduling Correlated Broadcast Data Considering Access Frequencies with Temporal Variations", Proc. of IEEE International Symposium on Network Computing and Applications (IEEE NCA'03), Cambridge, MA, U.S.A., pp.89-96 (Apr. 2003).

  32. T.Hara, Y.-H.Loh, and S.Nishio: "Data Replication Methods Based on the Stability of Radio Links in Ad Hoc Networks", Proc. of International Workshop on Mobility in Databases and Distributed Systems (MDDS'03), Prague, Czech Republic, pp.969-973 (Sept. 2003).

  33. H.Hayashi, T.Hara, and S.Nishio: "Cache Invalidation for Updated Data in Ad Hoc Networks", Proc. of International Conference on Cooperative Information Systems (CoopIS'03), Sicily, Italy, pp.516-535 (Nov. 2003).

  34. T.Akiyama, H.Yamashita, T.Hara, S.Kato, S.Shimojo, and S.Nishio: "A Proposal of Pipelined Image Processing in a Grid Environment", Proc. of SAINT 2004 Workshop: High Performance Computing and Networking, Tokyo, Japan, pp.596-601 (Jan. 2004).

  35. T.Hara and S.Madria: "Dynamic Data Replication Using Aperiodic Updates in Mobile Ad-hoc Networks", Proc. of International Conference on Database Systems for Advanced Applications (DASFAA 2004), Jeju Island, Korea, pp.869-881 (Mar. 2004).

  36. T.Uemukai, T.Hara, and S.Nishio: "A Method for Selecting Output Data from Ubiquitous Terminals in a Ubiquitous Computing Environment", Proc. of International Workshop on Mobile Distributed Computing (MDC'04) , Tokyo, Japan, pp.562-567 (Mar. 2004).

  37. H.Hayashi, T.Hara, and S.Nishio: "Updated Data Dissemination in Ad Hoc Networks", Proc. of International Workshop on Ubiquitous Mobile Information and Collaboration Systems (UMICS 2004), Riga, Latvia, pp.29-43 (June 2004).

  38. T.Maekawa, T.Uemukai, T.Hara, and S.Nishio: "A Java-based Information Browsing System in a Remote Display Environment", Proc. of IEEE International Conference on E-Commerce Technology, San Diego, CA, U.S.A., pp.342-347 (July 2004).

  39. H.Hayashi, T.Hara, and S.Nishio: "Replica Allocation Considering Data Update Intervals in Ad Hoc Networks", Proc. of IFIP/IEEE International Conference on Mobile and Wireless Communication Networks (MWCN 2004), Paris, France, pp.131-142 (Oct. 2004).

  40. T.Hara, M.Nakadori, W.Uchida, K.Maeda, and S.Nishio: "Update Propagation Based on Tree Structure in Peer-to-Peer Networks", Proc. of ACS/IEEE International Conference on Computer Systems and Applications (AICCSA-05), Cairo, Egypt, CD-ROM (Jan. 2005).

  41. A.Kanzaki, T.Hara, and S.Nishio: "An Adaptive TDMA Slot Assignment Protocol in Ad Hoc Sensor Networks", Proc. of ACM Symposium on Applied Computing (ACM SAC2005), Santa Fe, NM, U.S.A., Vol.2, pp.1160-1165 (Mar. 2005).

  42. T.Hara: "Location Management of Data Items in Mobile Ad Hoc Networks (Poster paper)", Proc. of ACM Symposium on Applied Computing (ACM SAC2005), Santa Fe, NM, U.S.A., Vol.2, pp.1174-1175 (Mar. 2005).

  43. W.Uchida, T.Hara, and S.Nishio: "Caching Strategies for Push-based Broadcast Considering Consecutive Data Accesses with Think-time", Proc. of International Conference on Database Systems for Advanced Applications (DASFAA 2005), Beijing, China, pp.300-310 (Apr. 2005).

  44. M.Shinohara, H.Hayashi, T.Hara, A.Kanzaki, and S.Nishio: "VANS: Visual Ad hoc Network Simulator", Proc. of International Conference on Mobile Computing and Ubiquitous Networking (ICMU 2005), Osaka, Japan, pp.16-21 (Apr. 2005).

  45. T.Tomiyasu, T.Maekawa, T.Hara, and S.Nishio: "Social Network Applications using Cellular Phones with E-mail Function", Proc. of International Special Workshop on Databases for Next Generation Researchers (SWOD2005), Tokyo, Japan, pp.136-139 (Apr. 2005).

  46. K.Nakayama, T.Hara, and S.Nishio: "An Agent System for Ontology Sharing on WWW (Poster paper)", Proc. of International World Wide Web Conference (WWW 2005), Chiba, Japan (May 2005).

  47. T.Hara: "Strategies for Data Location Management in Mobile Ad Hoc Networks", Proc. of IEEE International Conference on Parallel and Distributed Systems (ICPADS 2005), Fukuoka, Japan, pp.147-153 (July 2005).

  48. T.Maekawa, T.Uemukai, T.Hara, and S.Nishio: "Content Description and Partitioning Methods for Collaborative Browsing by Multiple Mobile Users", Proc. of International Workshop on Mobility in Databases and Distributed Systems (MDDS'05), Copenhagen, Denmark, pp.1068-1072 (Aug. 2005).

  49. J.Cai, T.Terada, T.Hara, and S.Nishio: "A Query Processing Method for Hybrid Wireless-Broadcast Networks", Proc. of International Workshop on Mobility in Databases and Distributed Systems (MDDS'05), Copenhagen, Denmark, pp.1078-1082 (Aug. 2005).

  50. T.Hara: "Data Replication Issues in Mobile Ad Hoc Networks (Invited paper)", Proc. of International Workshop on P2P Data Management, Security and Trust (PDMST'05), Copenhagen, Denmark, pp.753-757 (Aug. 2005).

  51. H.Hayashi, T.Hara, and S.Nishio: "A Replica Allocation Method Adapting to Topology Changes in Ad Hoc Networks", Proc. of International Conference on Database and Expert Systems Applications (DEXA 2005), Copenhagen, Denmark, pp.868-878 (Aug. 2005).

  52. K.Maeda, W.Uchida, T.Hara, and S.Nishio: "On a Collaborative Caching in a Peer-to-Peer Network for Push-based Broadcast", Proc. of International Conference on Database and Expert Systems Applications (DEXA 2000), Copenhagen, Denmark, pp.879-889 (Aug. 2005).

  53. T.Hara and S.Madria: "Consistency Management among Replicas in Peer-to-Peer Mobile Ad Hoc Networks", Proc. of International Symposium on Reliable Distributed Systems (SRDS 2005), Orlando, FL, USA., pp.3-12 (Oct. 2005).

  54. K.Nakayama, T.Hara, and S.Nishio: "A Web Mining Method based on Personal Ontology for Semi-Structured RDF", Proc. of International Workshop on Scalable Semantic Web Knowledge Base Systems (SSWS 2005), New York, NY, USA, pp.227-234 (Nov. 2005).

  55. M.Shinohara, H.Hayashi, T.Hara, and S.Nishio: "A Data Access Method Considering Power Consumption in Ad Hoc Networks", Proc. of International Symposium on Wireless Pervasive Computing (ISWPC 2006), Phuket, Thailand, pp.193-198 (Jan. 2006).

  56. S.Kitajima, J.Cai, T.Terada, T.Hara, and S.Nishio: "A Query Processing Mechanism Based on the Broadcast Queue for Broadcast Database Systems", Proc. of International Symposium on Wireless Pervasive Computing (ISWPC 2006), Phuket, Thailand, pp.450-455 (Jan. 2006).

  57. H.Hayashi, T.Hara, and S.Nishio: "On Updated Data Dissemination Exploiting an Epidemic Model in Ad Hoc Networks", Proc. of Int'l Workshop on Biologically Inspired Approaches to Advanced Information (Bio-ADIT 2006), Osaka, Japan, pp.306-321 (Jan. 2006).

  58. M.Shinohara, H.Hayashi, T.Hara, and S.Nishio: "Replica Allocation Considering Power Consumption in Mobile Ad Hoc Networks", Proc. of International Workshop on Pervasive Wireless Networking (PWN 2006), Pisa, Italy, pp.463-467 (Mar. 2006).

  59. T.Maekawa, T.Hara, and S.Nishio: "A Collaborative Web Browsing System for Multiple Mobile Users", Proc. of IEEE International Conference on Pervasive Computing and Communications (PerCom 2006), Pisa, Italy, pp.22-33 (Mar. 2006).

  60. T.Hara: "Location Management of Replicas Considering Data Update in Ad Hoc Networks", Proc. of IEEE International Conference on Advanced Information Networking and Applications (AINA 2006), Wien, Austria, Vol.1, pp.753-758 (Apr. 2006).

  61. T.Maekawa, T.Hara, and S.Nishio: "Two Aproaches to Browse Large Web Pages using Mobile Devices (Demo Paper)", Proc. of International Conference on Mobile Data Management (MDM 2006), Nara, Japan (May 2006).

  62. Y.Sawai, M.Shinohara, A.Kanzaki, T.Hara, and S.Nishio: "Consistency Management among Replicas Using a Quorum System in Ad Hoc Networks", Proc. of International Workshop on Future Mobile and Ubiquitous Information Technologies (FMUIT), Nara, Japan (May 2006).

  63. S.Kitajima, J.Cai, T.Terada, T.Hara, and S.Nishio: "A Query Processing Method Considering Query Frequency for Broadcast Database Systems", Proc. of International Workshop on Future Mobile and Ubiquitous Information Technologies (FMUIT), Nara, Japan (May 2006).

  64. A.Kanzaki, T.Hara, and S.Nishio: "On TDMA Slot Assignment Protocol Considering the Existence of Unidirectional Wireless Links in Ad Hoc Sensor Networks", Proc. of International Workshop on Future Mobile and Ubiquitous Information Technologies (FMUIT), Nara, Japan (May 2006).

  65. H.Tomiyasu, T.Maekawa, T.Hara, and S.Nishio: "Profile-based Query Routing in a Mobile Social Network", Proc. of International Workshop on Future Mobile and Ubiquitous Information Technologies (FMUIT), Nara, Japan (May 2006).

  66. J.Cai, T.Terada, T.Hara, and S.Nishio: "On a Cooperation of Broadcast Scheduling and Base Station Caching in the Hybrid Wireless Broadcast Environment", Proc. of International Workshop on Managing Context Information and Semantics in Mobile Environments (MCISME), Nara, Japan (May 2006).

  67. H.Hayashi, T.Hara, and S.Nishio: "Update Log Dissemination in Mobile Ad Hoc Networks", Proc. of International Workshop on Managing Context Information and Semantics in Mobile Environments (MCISME), Nara, Japan (May 2006).

  68. K.Nakayama, T.Hara, and S.Nishio: "GeoNote.net: A Social Network System for Geographic Information", Proc. of International Workshop on Tools and Applications for Mobile Contents (TAMC), Nara, Japan (May 2006).

  69. T.Maekawa, T.Hara, and S.Nishio: "Image Classification for Mobile Web Browsing", Proc. of International World Wide Web Conference (WWW 2006), Edinburgh, Scotland, UK, pp.43-52 (May 2006).

  70. Y.Arase, T.Maekawa, T.Hara, T.Uemukai, and S.Nishio: "A Web Browsing System based on Adaptive Presentation of Web Contents for Cellular Phones", Proc. of International Cross-Disciplinary Workshop on Web Accessibility (W4A 2006), Edinburgh, Scotland, UK (May 2006).

  71. T.Hara: "Data Replication and Update Management in Mobile Ad Hoc Networks (Invited paper)", Proc. International Workshop on Data Management in Global Data Repositories (GRep), Krakow, Poland, pp.622-626 (Sept. 2006).

  72. T.Hara, Y.Kido, and S.Nishio: "Probabilistic Replication Based on Access Frequencies in Unstructured Peer-to-Peer Networks", Proc. of International Conference on Database and Expert Systems Applications (DEXA 2006), Krakow, Poland, pp.791-800 (Sept. 2006).

  73. Y.Arase, T.Hara, T.Uemukai, and S.Nishio: "Nine-Button Web Browsing System for Cellular Phone Users", Proc. of International Conference on Innovations in Information Technology (IIT'06), Dubai, UAE (Nov. 2006).

  74. M.Pei, S.Taniguchi, T.Hara, and S.Nishio: "Discovering Important Rules and Loyal Customer by Considering the Repetition in Association Rules", Proc. of International Conference on Innovations in Information Technology (IIT'06), Dubai, UAE (Nov. 2006).

  75. K.Treeprapin, A.Kanzaki, T.Hara, and S.Nishio: "A Mobile Sensor Control Method for Sparse Sensor Networks", Proc. of ACM Symposium on Applied Computing (ACM SAC2007), Seoul, Korea, pp.886-890 (Mar. 2007).

  76. A.Kanzaki, T.Hara, and S.Nishio: "An Efficient TDMA Slot Assignment Protocol in Mobile Ad Hoc Networks", Proc. of ACM Symposium on Applied Computing (ACM SAC2007), Seoul, Korea, pp.891-895 (Mar. 2007).

  77. T.Taniguchi, A.Kanzaki, T.Hara, and S.Nishio: "Topology Information Generation Methods Using a Routing Table in Ad Hoc Network Applications", Proc. of ACM Symposium on Applied Computing (ACM SAC2007), Seoul, Korea, pp.896-900 (Mar. 2007).

  78. Y.Sawai, M.Shinohara, A.Kanzaki, T.Hara, and S.Nishio: "Quorum-Based Consistency Management among Replicas in Ad Hoc Networks with Data Update (Poster paper)", Proc. of ACM Symposium on Applied Computing (ACM SAC2007), Seoul, Korea, pp.955-956 (Mar. 2007).

  79. H.Nagaishi, T.Ogawa, T.Hara, and S.Nishio: "A Scheduling Strategy Considering Object Popularity and Distance between Objects in a Broadcast-based Cyberspace", Proc. of European Conference on Internet and Multimedia Systems and Applications (EuroIMSA 2007), Chamonix, France, pp.172-177 (Mar. 2007).

  80. S.Kitajima, J.Cai, T.Terada, T.Hara, and S.Nishio: "On Query Processing Considering Energy Consumption for Broadcast Database Systems", Proc. of International Conference on Database Systems for Advanced Applications (DASFAA 2007), Bangkok, Thailand, pp.884-890 (Apr. 2007).

  81. M.Pei, K.Nakayama, T.Hara, and S.Nishio: "Web Resource Categorization for Semantic Web Search", Proc. of International Workshop on Scalable Web Information Integration and Service (SWIIS 2007), Bangkok, Thailand, pp.34-43 (Apr. 2007).

  82. J.Cai, T.Terada, T.Hara, and S.Nishio: "An Adaptive Control Method in the Hybrid Wireless Broadcast Environment", Proc. of International Conference on Mobile Data Management (MDM 2007), Manhaim, Germany, pp.86-93 (May 2007).

  83. M.Shinohara, T.Hara, and S.Nishio: "Data Replication Considering Power Consumption in Ad Hoc Networks", Proc. of International Conference on Mobile Data Management (MDM 2007), Manhaim, Germany, pp.118-125 (May 2007).

  84. T.Watanabe, T.Hara, Y.Kido, and S.Nishio: "An Update Propagation Strategy for Delay Reduction and Node Failure Tolerance in Peer-to-Peer Networks", Proc. of International Symposium on Frontiers in Networking with Applications (FINA 2007), Niagara Falls, Ontario, Canada, pp.103-108 (May 2007).

  85. H.Sago, M.Shinohara, T.Hara, and S.Nishio: "A Data Dissemination Method for Information Sharing Based on Inter-Vehicle Communication", Proc. of International Workshop on Heterogeneous Wireless Networks (HWISE-07) , Niagara Falls, Ontario, Canada, pp.743-748 (May 2007).

  86. K.Nakayama, T.Hara, and S.Nishio: "A Thesaurus Construction Method from Large Scale Web Dictionaries Authors", Proc. of IEEE International Conference on Advanced Information Networking and Applications (AINA-07), Niagara Falls, Ontario, Canada, pp.932-939 (May 2007).

  87. Y.Arase, T.Hara, T.Uemukai, and S.Nishio: "OPA Browser: A Web Browser for Cellular Phone Users", Proc. of ACM International Symposium on User Interface Software and Technology (ACM UIST 2007), Newport, RI, USA, pp.71-80 (Oct. 2007).

  88. K.Nakayama, T.Hara, and S.Nishio: "Wikipedia Mining for An Association Web Thesaurus Construction", Proc. of International Conference on Web Information Systems Engineering (WISE 2007), Nancy, France, pp.322-334 (Dec. 2007).

  89. M.Erdmann, K.Nakayama, T.Hara, and S.Nishio: "An Approach for Extracting Bilingual Terminology from Wikipedia", Proc. of International Conference on Database Systems for Advanced Applications (DASFAA 2008), New Delhi, India, pp.380-392 (Mar. 2008).

  90. T.Watanabe, T.Hara, Y.Kido, and S.Nishio: "An Update Propagation Strategy for Delay Reduction and Node Failure Tolerance in Peer-to-Peer Networks", Proc. of International Conference on Database Systems for Advanced Applications (DASFAA 2008), New Delhi, India, pp.661-669 (Mar. 2008).

  91. M.Erdmann, K.Nakayama, T.Hara, and S.Nishio: "A Bilingual Dictionary Extracted rom the Wikipedia Link Structure (Demo paper)", Proc. of International Conference on Database Systems for Advanced Applications (DASFAA 2008), New Delhi, India, pp.686-689 (Mar. 2008).

  92. K.Nakayama, T.Hara, and S.Nishio: "A Search Engine for Browsing the Wikipedia Thesaurus (Demo paper)", Proc. of International Conference on Database Systems for Advanced Applications (DASFAA 2008), New Delhi, India, pp.690-693 (Mar. 2008).

  93. K.Nakayama, M.Ito, T.Hara, and S.Nishio: "Wikipedia Mining for Huge Scale Japanese Association Thesaurus Construction", Proc. of IEEE Interational Symposium on Mining And Web (IEEE MAW), Okinawa, Japan, pp.1150-1155 (Mar. 2008).

  94. M.Pei, K.Nakayama, T.Hara, and S.Nishio: "Constructing a Global Ontology by Concept Mapping using Wikipedia Thesaurus", Proc. of IEEE Interational Symposium on Mining And Web (IEEE MAW), Okinawa, Japan, pp.1205-1210 (Mar. 2008).

  95. M.Pei, K.Nakayama, T.Hara, and S.Nishio: "An Integrated Method for Web Resource Categorization", Proc. of IEEE Interational Symposium on Mining And Web (IEEE MAW), Okinawa, Japan, pp.1211-1216 (Mar. 2008).

  96. A.Kanzaki, T.Taniguchi, T.Hara, and S.Nishio: "A Data Propagation using Mobile Terminal in Locally Distributed Ad-Hoc Networks", Proc. of International Workshop on Data Management for Wireless and Pervasive Communications (DMWPC 2008), Okinawa, Japan, pp.856-861 (Mar. 2008).

  97. M.Shinohara, T.Hara, and S.Nishio: "On Effective Data Transmission in Mobile Ad Hoc Networks", Proc. of International Workshop on Data Management for Wireless and Pervasive Communications (DMWPC 2008), Okinawa, Japan, pp.874-879 (Mar. 2008).

  98. T.Hara and S.K.Madria: "Updated Data Dissemination for Real Time Operations in Mobile Ad Hoc Networks", Proc. of IEEE International Conference on Advanced Information Networking and Applications (AINA 2008), Okinawa, Japan, pp.1078-1085 (Mar. 2008).

  99. K.Treeprapin, A.Kanzaki, T.Hara, and S.Nishio: "On a Mobile Sensor Control Method for Uniform Sensing in Sparse Sensor Networks", Proc. of International Workshop on Sensor Networks Technologies for Information Explosion Era (SeNTIE2008), Beijing, China, pp.125-132 (Apr. 2008).

  100. T.Shinjo, S.Kitajima, T.Ogawa, T.Hara, and S.Nishio: "Mobile Sensor Control Methods for Reducing Power Consumption in Sparse Sensor Network", Proc. of International Workshop on Sensor Networks Technologies for Information Explosion Era (SeNTIE2008), Beijing, China, pp.126-140 (Apr. 2008).

  101. K.Nakayama, T.Hara, and S.Nishio: "Wikipedia Link Structure and Text Mining for Semantic Relation Extraction", Proc. of International Semantic Search Workshop (SemSearch), Tenerife, Spain, pp.59-73 (June 2008).

  102. K.Nakayama, M.Pei, M.Erdmann, M.Ito, M.Shirakawa, T.Hara, and S.Nishio: "Wikipedia Mining - Wikipedia as a Corpus for Knowledge Extraction -", Proc. of International Wikimedia Conference (Wikimania), Alexandria, Egypt (July 2008).

  103. A.Kanzaki, Y.Sawai, M.Shinohara, T.Hara, and S.Nishio: "Quorum-Based Consistency Management for Data Replication in Mobile Ad Hoc Networks", Proc. of International Workshop for Ubiquitous Networking and Enablers to Context-Aware Services, Turky, Finland, pp.357-360 (July 2008).

  104. M.Ito, K.Nakayama, T.Hara, and S.Nishio: "Association Thesaurus Construction Methods based on Link Co-occurrence Analysis For Wikipedia", Proc. of ACM International Conference on Information and Knowledge Management (ACM CIKM'08), Napa Valley, CA. USA, pp.817-826 (Oct. 2008).

  105. D.Komaki, K.Ohnishi, Y.Arase, G.Hattori, T.Hara, and S.Nishio: "A Click-Search Interface for Web Browsing Using Cellular Phones", Proc. of International Wireless Internet Conference (WICON 2008), Maui, Hawaii, USA (Nov. 2008).

  106. M.Shirakawa, K.Nakayama, T.Hara, and S.Nishio: "Concept Vector Extraction from Wikipedia Category Network", Proc. of International Conference on Ubiquitous Information Management and Communication (ICUIMC 2009), Suwon, Korea, pp.71-79 (Jan. 2009).

  107. T.Miyazaki, T.Watanabe, A.Kanzaki, T.Hara, and S.Nishio: "Keyword Search Considering User's Preference in P2P Networks", Proc. of International Conference on Ubiquitous Information Management and Communication (ICUIMC 2009), Suwon, Korea, pp.462-470 (Jan. 2009).

  108. Y.Iima, A.Kanzaki, T.Hara, and S.Nishio: "Overhearing-based Data Transmission Reduction for Periodical Data Gathering in Wireless Sensor Networks", Proc. of International Workshop on Data Management for Information Explosion in Wireless Networks (DMIEW 2009), Fukuoka, Japan, pp.1048-1053 (Mar. 2009).

  109. S.Kitajima, T.Hara, T.Terada, T.Yoshihisa, and S.Nishio: "A Query Processing Method Considering the Characteristic of Energy Consumption for Broadcast Database Systems", Proc. of International Workshop on Data Management for Information Explosion in Wireless Networks (DMIEW 2009), Fukuoka, Japan, pp.1094-1099 (Mar. 2009).

  110. T.Shinjo, S.Kitajima, T.Ogawa, T.Hara, and S.Nishio: "A Mobile Sensor Control Method Considering Node Failures in Sparse Sensor Networks", Proc. of International Workshop on Data Management for Information Explosion in Wireless Networks (DMIEW 2009), Fukuoka, Japan, pp.1054-1059 (Mar. 2009).

  111. A.Kanzaki, T.Hara, Y.Ishi, N.Wakamiya, and S.Shimojo: "X-Sensor: A Sensor Network Testbed Integrating Multi-Networks", Proc. of International Workshop on Data Management for Information Explosion in Wireless Networks (DMIEW 2009), Fukuoka, Japan, pp.1082-1087 (Mar. 2009).

  112. K.Treeprapin, A.Kanzaki, T.Hara, and S.Nishio: "An Efficient Node Deployment Strategy in Sparse Sensor Networks", Proc. of International Workshop on Data Management for Information Explosion in Wireless Networks (DMIEW 2009), Fukuoka, Japan, pp.1060-1065 (Mar. 2009).

  113. K.Ohnishi, Y.Arase, T.Hara, T.Uemukai, and S.Nishio: "Preview Functions for Web Browsing Using Cellular Phones", Proc. of International Workshop on Data Management for Information Explosion in Wireless Networks (DMIEW 2009), Fukuoka, Japan, pp.1070-1075 (Mar. 2009).

  114. S.Kitajima, T.Hara, T.Terada, and S.Nishio: "Filtering Order Adaptation Based on Attractor Selection for Data Broadcasting System", Proc. of International Conference on Complex, Intelligent and Software Intensive Systems (CISIS 2009), Fukuoka, Japan, pp.319-326 (Mar. 2009).

  115. T.Hara: "Escrow Approaches for Global Consistency in Mobile Ad Hoc Networks", Proc. of International Conference on Complex, Intelligent and Software Intensive Systems (CISIS 2009), Fukuoka, Japan, pp.343-350 (Mar. 2009).

  116. T.Watanabe, A.Kanzaki, T.Hara, and S.Nishio: "Update Propagation Strategies Considering Degree of Data Update in Peer-to-Peer Networks", Proc. of International Conference on Database Systems for Advanced Applications (DASFAA 2009), Brisbane, Australia, pp.328-333 (Apr. 2009).

  117. Y.Arase, X.Xie, M.Duan, T.Hara, and S.Nishio: "A Game Based Approach to Assign Geographical Relevance to Web Images", Proc. of International World Wide Web Conference (WWW 2009), Madrid, Spain, pp.811-820 (Apr. 2009).

  118. R.Hagihara, M.Shinohara, T.Hara, and S.Nishio: "A Message Processing Method for Top-k Query for Traffic Reduction in Ad Hoc Networks", Proc. of International Conference on Mobile Data Management (MDM 2009), Taipei, Taiwan, pp.11-20 (May 2009).

  119. M.Shinohara, T.Hara, and S.Nishio: "A Data Transmission Method using Multicast in Mobile Ad Hoc Networks", Proc. of International Conference on Mobile Data Management (MDM 2009), Taipei, Taiwan, pp.232-237 (May 2009).

  120. Y.Iima, A.Kanzaki, T.Hara, and S.Nishio: "An Evaluation of Overhearing-based Data Transmission Reduction in Wireless Sensor Networks", Proc. of International Workshop on Sensor Network Technologies for Information Explosion Era (SeNTIE 2009), Taipei, Taiwan, pp.519-524 (May 2009).

  121. S.Kitajima, T.Yoshihisa, T.Ogawa, T.Hara, and S.Nishio: "A Broadcast-Based Data Gathering Method considering Energy Consumption for Sensor Networks", Proc. of International Workshop on Sensor Network Technologies for Information Explosion Era (SeNTIE 2009), Taipei, Taiwan, pp.536-541 (May 2009).

  122. A.Kanzaki, T.Hara, Y.Ishi, T.Yoshihisa, Y.Teranishi, and S.Shimojo: "A Sensor Network Testbed Integrating Multiple Networks (Demo Paper)", Proc. of International Conference on Mobile Data Management (MDM 2009), Taipei, Taiwan, pp.361-362 (May 2009).

  123. Y.Arase, T.Hara, T.Uemukai, and S.Nishio: "MotoBrowser: Enjoyable Browsing using Cellular Phones by "Motoring" Web Pages (Demo Paper)", Proc. of International Conference on Mobile Data Management (MDM 2009), Taipei, Taiwan, pp.373-374 (May 2009).

  124. K.Nakayama, M.Ito, T.Hara, and S.Nishio: "Wikipedia Relatedness Measurement Methods and Influential Features", Proc. of IEEE International Symposium on Mining and Web (MAW 2009), Bradford, UK, pp.738-743 (May 2009).

  125. Y.Nose, A.Kanzaki, T.Hara and S.Nishio: "Route Construction Based on Measured Characteristics of Radio Propagation in Wireless Sensor Networks", Proc. of IEEE International Conference on Advanced Information Networking and Applications (AINA 2009), Bradford, UK, pp.560-567 (May 2009).

  126. K.Ohnishi, Y.Arase, T.Hara, T.Uemukai, and S.Nishio: "A Content Clipping System for Web Browsing Using Cellular Phones", Proc. of International Workshop on Data Management for Wireless and Pervasive Communications (DMWPC 2009), Bradford, UK, pp.978-983 (May 2009).

  127. A.Kanzaki, T.Hara, and S.Nishio: "On a TDMA Slot Assignment Considering the Amount of Traffic in Wireless Sensor Networks", Proc. of International Workshop on Data Management for Wireless and Pervasive Communications (DMWPC 2009), Bradford, UK, pp.984-989 (May 2009).

  128. M.Erdmann, K.Nakayama, T.Hara, and S.Nishio: "Using an SVM Classifier to Improve the Extraction of Bilingual Terminology fromWikipedia", Proc. of User-Contributed Knowledge and Artificial Intelligence: An Evolving Synergy (WIKIAI 2009), Pasadena, CA, USA (July 2009).

  129. Y.Arase, T.Hara, and S.Nishio: "User Profiling for Web Search based on Biological Fluctuation", Proc. of International Conference on Human-Computer Interaction (HCI International 2009), San Diego, CA, USA, pp.239-247 (July 2009).

  130. T.Watanabe, A.Kanzaki, T.Hara, and S.Nishio: "A Selective Update Propagation Based on Degree of Data Update in Peer-to-Peer Networks", Proc. of International Conference on Network-Based Information Systems (NBiS 2009), Indianapolis, IN, USA, pp.52-59 (Aug. 2009).

  131. T.Watanabe, Y.Zhao, A.Kanzaki, T.Hara, and S.Nishio: "A Replica Relocation Method for Improving Search Efficiency in P2P Networks", Proc. of International Conference on on Advances in P2P Systems (AP2PS 2009), Sliema, Malta, pp.13-18 (Oct. 2009).

  132. Y.Kobayashi, T.Watanabe, A.Kanzaki, T.Yoshihisa, T.Hara, and S.Nishio: "A Dynamic Cluster Construction Method Based on Query Characteristics in Peer-to-Peer Networks", Proc. of International Conference on on Advances in P2P Systems (AP2PS 2009), Sliema, Malta, pp.168-173 (Oct. 2009).

  133. M.Iwata, Y.Arase, T.Hara, and S.Nishio: "Investigation of Children's Characteristics for Web Browsing", Proc. of ACM International Workshop on Web Information and Data Management (WIDM 2009), Hong Kong, China, pp.91-94 (Nov. 2009).

  134. W.Cai, M.Chen, T.Hara, and L.Shu: "GA-MIP: Genetic Algorithm based Multiple Mobile Agents Itinerary Planning in Wireless Sensor Networks (Invited Paper)", Proc. of International Conference on Wireless Internet Conference (WICON 2010), Singapore (March 2010).

  135. Y.Nose, A.Kanzaki, T.Hara, and S.Nishio, "A Route Construction Method Based on Received Signal Strength in Wireless Sensor Networks", Proc. of International Conference on Computers and Their Applications (CATA 2010), Hawaii, USA, pp.130-137 (March 2010).

  136. A.Kanzaki, Y.Iima, T.Hara, and S.Nishio, "Overhearing-based Data Transmissin Reduction Using Data Interpolation in Wireless Sensor Networks," Proc. of Int'l Conf. on Mobile Computing and Ubiquitous Networking (ICMU 2010), Seattle, USA, pp.1-8 (April 2010).

  137. Y.Sasaki, R.Hagihara, T.Hara, M.Shinohara, and S.Nishio: "A Top-k Query Method by Estimating Score Distribution in Mobile Ad Hoc Networks," Proc. of International Workshop on Data Management for Wireless and Pervasive Communications (DMWPC 2010), Perth, Australia, pp.944-949 (April 2010).

  138. Y.Kosaka, A.Kanzaki, T.Hara, and S.Nishio: "A P2P Network Construction Method Based on Cycle of Sensing in Ubiquitous Sensor Environment," Proc. of International Workshop on Data Management for Wireless and Pervasive Communications (DMWPC 2010), Perth, Australia, pp.950-955 (April 2010).

  139. T.Hara, S.K.Madria, and S.Nishio: "Investigating Impact of Quorum Construction on Data Processing in Mobile Ad Hoc Networks", Proc. of IEEE International Conference on Advanced Information Networking and Applications (AINA 2010), Perth, Australia, pp.548-555 (April 2010).

  140. T.Hara: "Energy Efficient Data Access in Mobile Ad Hoc Networks", Proc. International Workshop on Mobile P2P Data Management, Security and Trust (M-PDMST'10), Kansas City, MO, USA, pp.326-330 (May 2010).

  141. T.Hara, R.Hagihara, S.Nishio: "Data Replication for Top-k Query Processing in Mobile Wireless Sensor Networks," Proc. of IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC 2010), Newport Beach, CA, USA, pp.115-122 (June 2010).

  142. L.Shu, Z.Yuan, T.Hara, L.Wang, and Y.Zhang: "Impacts of Duty-Cycle on TPGF Geographical Multipath Routing in Wireless Sensor Networks," Proc. of International Workshop on Quality of Service (IWQoS 2010), Beijing, China, pp.16-18 (June 2010).

  143. C.Zhu, L.Shu, T.Hara, L.Wang, and S.Nishio, "Research Issues in Mobile Wireless Sensor Networks", Proc. of International Conference on Communications and Networking in China (Chinacom 2010), Beijing, China, pp.25-27 (Aug. 2010).

  144. S.Sakashita, T.Yoshihisa, T.Hara, and S.Nishio: "A Data Reception Method to Reduce Interruption Time in P2P Streaming Environments", Proc. of International Conference on Network-Based Information Systems (NBiS 2010), Takayama, Japan, pp.166-172 (Sept. 2010).

  145. S.Kondo, A.Kanzaki, T.Hara, and S.Nishio: "Energy-Efficient Data Gathering using Sleep Scheduling and Spatial Interpolation in Wireless Sensor Networks", Proc. of International Conference on Network-Based Information Systems (NBiS 2010), Takayama, Japan, pp.62-69 (Sept. 2010).

  146. Y.Arase, X.Xie, T.Hara, and S.Nishio: "Mining People's Trips from Large Scale Geo-tagged Photos", Proc. of ACM International Conference on Multimedia (ACM Multimedia 2010), Firenze, Italy, pp.133-142 (Oct. 2010).

  147. Z.Fan, Y.Chen, L.Shu, L.Wang, T.Hara, and S.Nishio: "Impacts of Duty-Cycle and Radio Irregularity on HCRL Localization in Wireless Sensor Networks", Proc. of International Conference on Network Protocols (ICNP 2010), Kyoto, Japan (Oct. 2010).

  148. D.Komaki, A.Oku, Y.Arase, T.Hara, T.Uemukai, G.Hattori, and S.Nishio: "A Contents Comparison Interface for Collaborative Web Search Using Multiple Mobile Devices", Proc. of International Conference on Ambient Systems, Networks and Technologies (ANT 2010), Paris, France, pp.81-90 (Nov. 2010).

  149. A.Suzuki, M.Iwata, Y.Arase, T.Hara, X.Xie, and S.Nishio: "A User Location Anonymization Method for Location Based Services in a Real Environment", Proc. of ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL GIS 2010), San Jose, CA, USA, pp.398-401 (Nov. 2010).

  150. W.Seino, S.Sakashita, T.Yoshihisa, T.Hara, and S.Nishio: "A Communication Protocol to Improve Fairness and Data Amount on Sensor Data Collection with a Mobile Sink", Proc. of International Conference on Broadband and Wireless Computing, Communication and Applications (BWCCA-2010), Fukuoka, Japan, pp.33-40　(Nov. 2010).

  151. T.Mulugeta, L.Shu, M.Hauswirth, M.Chen, T.Hara, and S.Nishio: "Secured Two Phase Geographic Forwarding Protocol in Wireless Multimedia Sensor Networks", Proc. of IEEE Global Communications Conference (IEEE Globecom 2010), Maiami, FL, USA (Dec. 2010).

  152. M.Shirakawa, K.Nakayama, E.Aramaki, T.Hara, and S.Nishio: "Relation Extraction between Related Concepts by Combining Wikipedia and Web Information for Japanese Language", Proc. of Asia Information Retrieval Societies Conference (AIRS 2010), Taipei, Taiwan, pp.310-319 (Dec. 2010).

  153. M.Iwata, Y.Arase, T.Hara, and S.Nishio: "A Children-Oriented Re-ranking Method for Web Search Engines", Proc. of International Conference on Web Information System Engineering (WISE 2010), Hong Kong, China, pp.225-239 (Dec. 2010).

  154. Y.Kobayashi, T.Yoshihisa, T.Hara, and S.Nishio: "A Dynamic Cluster Construction Method Based on Characteristics of Query Generation in Peer-to-Peer Networks", Proc. of International Symposium on Frontiers in Networking with Applications (FINA 2011), Singapore, pp.96-101 (Mar. 2011).

  155. A.Kanzaki, Y.Nose, T.Hara and S.Nishio: "A Dynamic Route Construction Method Based on Measured Characteristics of Radio Propagation in Wireless Sensor Networks", Proc. of IEEE International Conference on Advanced Information Networking and Applications (AINA 2011), Singapore, pp.30-37 (Mar. 2011).

  156. Y.Kosaka, A.Kanzaki, T.Hara, and S.Nishio: "A P2P Network Construction Method Based on Cycle of Sensing and Location in Ubiquitous Sensor Environment", Proc. of International Workshop on Data Management for Wireless and Pervasive Communications (DMWPC 2011), Singapore, pp.532-537 (Mar. 2011).

  157. M.Erdmann, A.M.Finch, K.Nakayama, E.Sumita, T.Hara, and S.Nishio: "Calculating Wikipedia Article Similarity Using Machine Translation Evaluation Metrics", Proc. of IEEE International Symposium on Mining and Web (MAW 2011), Singapore, pp.532-537 (Mar. 2011).

  158. Y.Taniguchi, A.Kanzaki, N.Wakamiya, and T.Hara: "Autonomous Data Gathering Mechanism with Transmission Reduction for Wireless Sensor Networks", Proc. of International Conference on Communications, Computing and Control Applications (CCCA 2011), Hammamet, Tunisia, pp.532-537 (Mar. 2011).

  159. T.Hara: "Quantifying Sensing Coverage and Data Delivery Delay in Mobile Sensor Networks", Proc. of IEEE Wireless Communications and Networking Conference (WCNC 2011), Cancun, Mexico, pp.481-486 (Mar. 2011).

  160. Y.Komai, Y.Sasaki, T.Hara, and S.Nishio, "A kNN Query Processing Method in Mobile Ad Hoc Networks," Proc. of International Conference on Mobile Data Management (MDM 2011), Lulea, Sweden, pp.287-288 (June 2011).

  161. C.Zhu, L.T.Yang, L.Shu, J.J.P.C.Rodrigues, and T.Hara, "Sleep Scheduling towards Geographic Routing in Duty-cycled Sensor Networks," Proc. of IEEE International Conference on Distributed Computing in Sensor Systems (DCOSS 2011), Barcelona, Spain (June 2011).

  162. Y.Chen, L.Shu, M.Li, Z.Fan, L.Wang, and T.Hara: "The Insights of DV-Based Localization Algorithms in the Wireless Sensor Networks with Duty-Cycled and Radio Irregular Sensors," Proc. of IEEE International Conference on Communications (ICC 2011), Kyoto, Japan (June 2011).

  163. C.Zhu, L.T.Yang, L.Shu, L.Wang, and Takahiro Hara, "Sleep Scheduling towards Geographic Routing in Duty-cycled Sensor Networks with a Mobile Sink," Proc. of IEEE Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON 2011), Salt Lake City, Utah, USA, pp.158-160 (June 2011).

  164. C.Zhu, L.T.Yang, L.Shu, T.Hara, and S.Nishio, "Implementing Top-k query in Duty-cycled Wireless Sensor Networks," Proc. of International Wireless Communications and Computing Conference (IWCMC 2011), Istanbul, Turkey, pp.553-558 (July 2011).

  165. Z.Yuan, L.Wang, L.Shu, T.Hara, Z.Qin, "A Balanced Energy Consumption Sleep Scheduling Algorithm in Wireless Sensor Networks," Proc. of International Wireless Communications and Computing Conference (IWCMC 2011), Istanbul, Turkey, pp.831-835 (July 2011).

  166. T.Fujii, M.Kaji, Y.Sasaki, T.Hara, and S.Nishio, "A Flooding Control Method with Ack-Carry for Location-Based Information Dissemination in Mobile Ad Hoc Networks," Proc. of International Symposium on Applications and the Internet (SAINT 2011), Munich, Germany, pp.128-135 (July 2011).

  167. M.Shirakawa, K.Nakayama, T.Hara, and S.Nishio, " Wikipedia Sets: Context-Oriented Related Entity Acquisition from Multiple Words," Proc. of IEEE/WIC/ACM International Conference on Web Intelligence (WI 2011), Lyon, France, pp.274-277 (Aug. 2011).

  168. M.Umezawa, T.Yoshihisa, T.Hara, and S.Nishio: "Interruption Time Reduction Methods by Predicting Data Reception for Steaming Delivery on Hybrid Broadcasting Environments," Proc. of International Conference on Pacific Rim (PACRIM 2011), pp.185-190, Victoria, Canada (Aug. 2011).

  169. S.Kondo, A.Kanzaki, T.Hara, and S.Nishio: "Energy-Efficient Data Gathering using Sleep Scheduling and Spatial Correlation based on Data Distribution in Wireless Sensor Networks", Proc. of International Conference on Network-Based Information Systems (NBiS 2011), Tirana, Albania, pp.62-69 (Sept. 2011).

  170. Y.Sasaki, T.Hara, and S.Nishio: "Two-Phase Top-k Query Processing in Mobile Ad Hoc Networks", Proc. of International Conference on Network-Based Information Systems (NBiS 2011), Tirana, Albania, pp.42-49 (Sept. 2011).

  171. M.Iwata, T.Hara, and S.Nishio: "How different are Preferences of Children and Adults on Web Pages?", Proc. of International Workshop on Advanced Distributed and Parallel Network Applications (ADPNA-2011), Tirana, Albania, pp.394-399 (Sept. 2011).

  172. M.Iwata, T.Hara, K.Shimatani, T.Mashita, K.Kiyokawa, S.Nishio, and H.Takemura: "A Location-Based Content Search System Considering Situations of Mobile Users", Proc. of International Conference on Ambient Systems, Networks and Technologies (ANT 2011), Niagara Falls, Canada, pp.426-433 (Sept. 2011).

  173. H.Miyamoto, D.Komaki, T.Hara, K.Shimatani, T.Mashita, K.Kiyokawa, S.Nishio, and H.Takemura: "A Menu-based Content Search Support System Considering Mobile User’s Situations", Proc. of International Conference on Ambient Systems, Networks and Technologies (ANT 2011), Niagara Falls, Canada, pp.434-442 (Sept. 2011).

  174. Y.Dong, L.Shu, G.Han, M.Guizani, and T.Hara: "Geographic Multipath Routing in Duty-Cycled Wireless Sensor Networks: One-Hop or Two-Hop?," Proc. of International Conference on Mobile Computing and Networking (Mobicom 2011), Las Vegas, USA (Sept. 2011).

  175. E.Ashikaga, M.Iwata, D.Komaki, T.Hara, and S.Nishio: "Exploring Map-based Interactions for Co-located Collaborative Work by Multiple Mobile Users", Proc. of ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL GIS 2011), Chicago, IL, USA, pp.417-420 (Nov. 2011).

  176. Y.Hamaguchi, T.Yoshihisa, Y.Ishi, Y.Teranishi, T.Hara, and S.Nishio: "A Data Aggregation System using Mobile Agents on Integrated Sensor Networks," Proc. of International Conference on on Advances in P2P Systems (AP2PS 2011), Lisbon, Portugal, Vol.3, pp.33-38 (Nov. 2011).

  177. L.Shu, J.Niu, T.Hara, M.Hauswirth, and S.Nishio: "Integrating Weather Information with Body Sensor Networks for Health Monitoring," Proc. of International Conference on Body Area Networks (BodyNets 2011), Beijing, China (Nov. 2011).

  178. Z.Fan, Y.Chen, L.Wang, L.Shu, and T.Hara: "Removing Heavily Curved Path: Improved Dv-Hop Localization in Anisotropic Sensor Networks," Proc. of International Conference on Mobile Ad-hoc and Sensor Networks (MSN 2011), Beijing, China, pp.75-82 (Dec. 2011).

  179. K.Goto, Y.Sasaki, T.Hara, and S.Nishio: "Data Gathering Using Mobile Agents in Dense Mobile Wireless Sensor Networks," Proc. of International Conference on Advances in Mobile Computing & Multimedia (MoMM-2011), Ho Chi Minh City, Vietnam, pp.58-65 (Dec. 2011).

  180. D.Komaki, T.Hara, and S.Nishio: "How Does Mobile Context Affect People’s Web Search Behavior?: A Diary Study of Mobile Information Needs and Search Behaviors," Proc. of IEEE International Conference on Advanced Information Networking and Applications (AINA-2012), Fukuoka, Japan, pp.245-252 (Mar. 2012).

  181. W.Seino, T.Yoshihisa, T.Hara, and S.Nishio: "A Sensor Data Collection Method with a Mobile Sink for Communication Traffic Reduction by Delivering Predicted Values," Proc. of International Workshop on Heterogeneous Wireless Networks (HWISE 2012), Fukuoka, Japan, pp.613-618 (Mar. 2012).

  182. T.Mashita, K.Shimatani, M.Iwata, H.Miyamoto, D.Komaki, T.Hara, K.Kiyokawa, H.Takemura, and S.Nishio: "Human Activity Recognition for a Content Search System Considering Situations of Smartphone Users," Proc. of International Workshop on Ambient Information Technologies (AMBIT 2012), Orange County, CA, USA, pp.22-23 (Mar. 2012).

  183. T.Mashita, D.Komaki, M.Iwata, K.Shimatani, H.Miyamoto, T.Hara, K.Kiyokawa, H.Takemura, and S.Nishio: "A Content Search System for Mobile Devices based on User Context Recognition," Proc. of International Workshop on Ambient Information Technologies (AMBIT 2012), Orange County, CA, USA, (Mar. 2012).

  184. C.Zhu, L.T. Yang, L.Shu, J.Rodrigues, and T.Hara: "A Geographic Routing Oriented Sleep Scheduling Algorithm in Duty-Cycled Sensor Networks," Proc. of International Conference on Communications (ICC 2012), Ottawa, Canada, pp.5473-5477 (June 2012).

  185. L.M. Chidambaram, S.K. Madria, M.Linderman, T.Hara: "MELOC: Memory and Location Optimized Caching Model for Small Mobile Ad hoc Networks," Proc. of International Conference on Mobile Data Management (MDM 2012), Bangalore, India, pp.33-42 (July 2012).

  186. S.Kondo, A.Kanzaki, T.Hara, S.Nishio: "Energy-Efficient Data Gathering Using Traffic Reduction Based on Change in Data Characteristics in Wireless Sensor Networks," Proc. of International Conference on Network-Based Information Systems (NBiS 2012), Melbourne, Australia, pp.200-207 (Sept. 2012).

  187. M.Yokoyama, T.Yoshihisa, T.Hara, S.Nishio: "A Data Reception Method to Reduce Interruption Time for Model and Motion Separated Data in P2P Streaming Environments," Proc. of International Conference on P2P, Parallel, Grid, Cloud and Internet Computing (3PGCIC-2012), Victoria, Canada, pp.79-86 (Nov. 2012).

  188. A.Kanzaki, A.Yamamoto, T.Hara, S.Nishio: "Data Forwarding Method Based on Status of Connection with Multiple Mobile Sinks in Wireless Sensor Networks," Proc. of International Conference on Broadband and Wireless Computing, Communication and Applications (BWCCA-2012), Victoria, Canada, pp.170-177 (Nov. 2012).

  189. R.Kato, M.Iwata, T.Hara, A.Suzuki, X.Xie, Y.Arase, S.Nishio: "A Dummy-based Anonymization Method Based on User Trajectory with Pauses," Proc. of ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL GIS 2011), Redondo Beach, CA, USA, pp.249-258 (Nov. 2012).

  190. Y.Komai, Y.Sasaki, T.Hara, S.Nishio: "Searching K-nearest Neighbor Nodes Based on Node Density in Ad Hoc Networks," Proc. of International Conference on Advances in Mobile Computing & Multimedia (MoMM-2012), Bali, Indonesia, pp.199-207 (Dec. 2012).

  191. D.Amagata, Y.Sasaki, T.Hara, S.Nishio: "A Routing Method for Top-k Query Processing in Mobile Ad Hoc Networks," Proc. of IEEE International Conference on Advanced Information Networking and Applications (AINA 2013), Barcelona, Spain, pp.161-168 (Mar. 2013).

  192. K.Matsuo, K.Goto, A.Kanzaki, T.Hara, S.Nishio: "Data Gathering Considering Geographical Distribution of Data Values in Dense Mobile Wireless Sensor Networks," Proc. of IEEE International Conference on Advanced Information Networking and Applications (AINA 2013), Barcelona, Spain, pp.445-452 (Mar. 2013).

  193. T.Sugitani, M.Shirakawa, T.Hara, S.Nishio: "Detecting Local Events by Analyzing Spatiotemporal Locality of Tweets," Proc. of IEEE International Symposium on Mining and Web (MAW 2013), Barcelona, Spain, pp.191-196 (Mar. 2013).

  194. J.Fukano, T.Mashita, T.Hara, K.Kiyokawa, H.Takemura, S.Nishio: "A Next Location Prediction Method for Smartphones Using Blockmodels," Proc. of IEEE Virtual Reality (VR 2013), Orlando, FL, USA, (Mar. 2013).

  195. Y.Sasaki, W.-C.Lee, T.Hara, S.Nishio: "On Alleviating Beacon Overhead in Routing Protocols for Urban VANETs," Proc. of IEEE International Conference on Mobile Data Management (IEEE MDM 2013), Milan, Italy, pp.66-76 (June 2013).

  196. D.Amagata, Y.Sasaki, T.Hara, S.Nishio: "A Robust Routing Method for Top-k Queries in Mobile Ad Hoc Networks," Proc. of IEEE International Conference on Mobile Data Management (IEEE MDM 2013), Milan, Italy, pp.250-255 (June 2013).

  197. K.Matsuo, K.Goto, A.Kanzaki, T.Hara, S.Nishio, "Agent Redeployment and Missing Data Regathering in Mobile Wireless Sensor Networks," Proc. of Int'l Conf. on Computer Software and Applications Conference (COMPSAC 2013), Kyoto, Japan, pp.101-109 (July 2013).

  198. Y.Komai, Y.Sasaki, T.Hara, S.Nishio: "Processing k Nearest Neighbor Queries for Location-Dependent Data in Manets," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2013), Prague, Czech Republic, Vol.2, pp.213-227 (Aug. 2013).

  199. R.Kato, M.Iwata, T.Hara, Y.Arase, X.Xie, S.Nishio: "User Location Anonymization Method for Wide Distribution of Dummies," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2013), Prague, Czech Republic, Vol.2, pp.259-273 (Aug. 2013).

  200. Y.Okaie, T.Nakano, T.Hara, and S.Nishio: "Single Target Tracking in Bionanosensor Networks: Preliminary Simulation Results," Proc. of International Conference on Body Area Networks (BodyNets'13), Boston, MA, USA, pp.476-477 (Sept. 2013)

  201. M.Shirakawa, K.Nakayama, T.Hara, S.Nishio "Probabilistic Semantic Similarity Measurements for Noisy Short Texts Using Wikipedia Entities," Proc. of ACM International Conference on Information and Knowledge Management (ACM CIKM'13), San Francisco, CA, USA, pp.903-908 (Oct. 2013).

  202. K.Goto, Y.Sasaki, T.Hara, and S.Nishio: "A Mobile Agents Control Scheme for Multiple Sinks in Dense Mobile Wireless Sensor Networks," Proc. of International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (Mobiquitous 2013), Tokyo, Japan, pp.52-65 (Dec. 2013).

  203. T.Hara, A.Yamamoto, M.Iwata, Y.Arase, X.Xie, and S.Nishio: "Location Anonymization using Real Car Trace Data for Location Based Services," Proc. of International Conference on Ubiquitous Information Management and Communication (IMCOM 2014), Siem Reap, Cambodia (Jan. 2014).

  204. Y.Sasaki, W.-C.Lee, T.Hara, S.Nishio: "SKY R-Tree: An Index Structure for Distance-Based Top-k Query," Proc. of International Conference on Database Systems for Advanced Applications (DASFAA 2014), Bali, Indonesia, pp.220-235 (Apr. 2014).

  205. A.Kanzaki, S.Kondo, T.Hara, S.Nishio: "Energy-Efficient Data Gathering using Sleep Scheduling and Spatio-Temporal Interpolation in Wireless Sensor Networks," Proc. of International Workshop on Data Management for Wireless and Pervasive Communications (DMWPC 2014), Victoria, Canada, pp.185-190 (May 2014).

  206. M.Iwata, H.Miyamoto, T.Hara, K.Shimatani, T.Mashita, K.Kiyokawa, S.Nishio, H.Takemura: "A Menu-based Content Search System based on Relationships between Mobile User Context and Information Needs," Proc. of International Workshop on Data Management for Wireless and Pervasive Communications (DMWPC 2014), Victoria, Canada, pp.197-202 (May 2014).

  207. T.Hara, S.Nishio: "Data Allocation Techniques for Mobile Sensor Networks," Proc. of International Workshop on Data Management for Wireless and Pervasive Communications (DMWPC 2014), Victoria, Canada, pp.209-214 (May 2014).

  208. Y.Okaie, T.Nakano, T.Hara, and S.Nishio: "Modeling and Performance Evaluation of Mobile Bionanosensor Networks for Target Tracking," Proc. of IEEE International Conference on Communications (ICC 2014), Sydney, Australia, pp.3936-3974 (June 2014).

  209. K.Udomlamlert, T.Hara, S.Nishio: "Communication-Efficient Preference Top-k Monitoring Queries via Subscriptions," Proc. of International Conference on Scientific and Statistical Database Management (SSDBM 2014), Aalborg, Denmark (June 2014).

  210. K.Matsuo, K.Goto, A.Kanzaki, T.Hara, S.Nishio, "Overhearing-based Efficient Boundary Detection in Dense Mobile Wireless Sensor Networks," Proc. of IEEE International Conference on Mobile Data Management (IEEE MDM 2014), Brisbane, Australia, pp.225-234 (July 2014).

  211. T.Tsuda, Y.Komai, Y.Sasaki, T.Hara, S.Nishio: "Top-k Query Processing and Malicious Node Identification against Data Replacement Attack in MANETs," Proc. of IEEE International Conference on Mobile Data Management (IEEE MDM 2014), Brisbane, Australia, pp.279-288 (July 2014).

  212. Y.Sasaki, T.Fujii, T.Hara, S.Nishio: "A Negative Location-based Information Dissemination Method in Mobile Ad Hoc Networks," Proc. of International Workshop on Mobile Collaborative cROwdsourcing and Sensing (M-CROS 2014), Brisbane, Australia, pp.55-60 (July 2014).

  213. T.Nakamura, M.Shirakawa, T.Hara, S.Nishio: "Semantic Similarity Measurements for Multi-lingual Short Texts Using Wikipedia," Proc. of IEEE/WIC/ACM International Conference on Web Intelligence (WI 2014), Warsaw, Poland, pp.22-29 (Aug. 2014).

  214. M.Shirakawa, K.Nakayama, E.Aramaki, T.Hara, S.Nishio: "Collecting Conceptualized Relations from Terabytes of Web Texts for Understanding Unknown Terms," Proc. of IEEE/WIC/ACM International Conference on Web Intelligence (WI 2014), Warsaw, Poland, pp.86-93 (Aug. 2014).

  215. M.Shirakawa, T.Hara, S.Nishio: "MLJ: Language-Independent Real-Time Search of Tweets Reported by Media Outlets and Journalists," Demo Paper, Proc. of the VLDB Endowment (VLDB 2014), Hangzhou, China, Vol.7, No.13, pp.1605-1608 (Sept. 2014).

  216. Y.Komai, T.Hara, S.Nishio: "A Convex Hull Query Processing Method in MANETs," Ph.D Forum, Prof. of IEEE International Symposium on Reliable Distributed Systems (SRDS 2014), Nara, Japan, pp.331-332 (Oct. 2014).

  217. K.Matsuo, K.Goto, A.Kanzaki, T.Hara, S.Nishio: "A Study on Efficient Event Monitoring in Dense Mobile Wireless Sensor Networks," Ph.D Forum, Prof. of IEEE International Symposium on Reliable Distributed Systems (SRDS 2014), Nara, Japan, pp.341-342 (Oct. 2014).

  218. S.Mizuno, J.Osawa, T.Hara, S.Nishio: "A Preference Extraction Method Using Installed Applications and Their Descriptions," Proc. of International Workshop on Future Technologies for Smart Information Systems (FTSIS 2014), Nara, Japan, pp.64-69 (Oct. 2014).

  219. H.Sazaki, A.Kanzaki, T.Hara, S.Nishio: "SeRAVi: a Spatio-Temporal Data Distribution Visualization System for Mobile Sensor Data Retrieval," Proc. of International Workshop on Future Technologies for Smart Information Systems (FTSIS 2014), Nara, Japan, pp.88-93 (Oct. 2014).

  220. R.Kawasumi, T.Yoshihisa, T.Hara, S.Nishio: "An Efficient Indexing Method for Mobile Sensor Data Collection on Integrated Sensor Networks," Proc. of International Workshop on Future Technologies for Smart Information Systems (FTSIS 2014), Nara, Japan, pp.100-105 (Oct. 2014).

  221. Y.Komai, D.H.Nguyen, T.Hara, S.Nishio: "KNN Search Utilizing Index of the Minimum Road Travel Time in Time-Dependent Road Networks," Proc. of International Workshop on Future Technologies for Smart Information Systems (FTSIS 2014), Nara, Japan, pp.131-137 (Oct. 2014).

  222. T.Nakano, T.Hara, Y.Okaie, T.Obuchi, S.Nishio: "Mobile Bionanosensor Networks Through Molecular Communication," Proc. of Asia-Pacific Microwave Conference (APMC 2014), Sendai, Japan, pp.525-527 (Nov. 2014, to appear).

  223. D.Amagata, Y.Sasaki, T.Hara, S.Nishio: "CTR: An Efficient Top-K Query Routing in Manets," Proc. of International Conference on Advances in Mobile Computing & Multimedia (MoMM-2014), Kaohsiung, Taiwan, pp.225-234 (Dec. 2014).

  224. M.Yokoyama, T.Yoshihisa, T.Hara, S.Nishio, "A Method to Reduce Interruption Time for the Multiple Bit Rate Video Delivery in P2P Streaming Environments," Proc. of International Conference on Advances in Mobile Computing & Multimedia (MoMM-2014), Kaohsiung, Taiwan, pp.253-262 (Dec. 2014).

  225. Y.Okaie, T.Nakano, T.Obuchi,T. Hara, S.Nishio, "Bacterium-based Mobile Bionanosensor Networks for Target Tracking: A Biologically Realistic Model," Proc. of International Conference on Bio-inspired Information and Communications Technologies (BICT 2014), Boston, MA, USA, pp.188-190 (Dec. 2014).

  226. M.Shirakawa, T.Hara, S.Nishio, "N-gram IDF: A Global Term Weighting Scheme Based on Information Distance" Proc. of International World Wide Web Conference (WWW 2015), Florence, Italy, pp.960-970 (May 2015).

  227. T.Obuchi, Y.Okaie, T.Nakano, T.Hara, S.Nishio, "Inbody Mobile Bionanosensor Networks Through Non-diffusion-based Molecular Communication," Proc. of IEEE International Conference on Communications (ICC 2015), London, UK, pp.2681-2687 (June 2015).

  228. Y.Komai, T.Hara, S.Nishio: "Processing Convex Hull Queries in MANETs," Proc. of IEEE International Conference on Mobile Data Management (MDM 2015), Pittsburgh, PA, USA, pp.64-73 (June 2015).

  229. D.Amagata, T.Hara, S.Nishio: "Distributed Topk Query Processing on Multidimensional Data with Keywords," Proc. of International Conference on Scientific and Statistical Database Management (SSDBM 2015), San Diego, CA, USA (June 2015).

  230. Y.Okaie, T.Obuchi,T. Hara, S.Nishio, "In Silico Experiments of Mobile Bionanosensor Networks for Target Tracking," Proc. of ACM International Conference on Nanoscale Computing and Communication (ACM NANOCOM 2015), Boston, MA, USA, pp.14:1-14:6 (Sept. 2015).

  231. K.Udomlamlert, T.Hara, S.Nishio: "Candidate Pruning Technique for Skyline Computation Over Frequent Update Streams," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2015), Valencia, Spain, pp.93-108 (Sept. 2015).

  232. T.Tsuda, Y.Komai, T.Hara, S.Nishio: "Signature-Based Top-k Query Processing against Data Replacement Attacks in MANETs," Proc. of IEEE International Symposium on Reliable Distributed Systems (IEEE SRDS 2015), Montreal, Canada, pp.130-139 (Sept. 2015).

  233. Y.Okaie, T.Nakano, T.Obuchi, T.Hara: "Mobility and Controllability of Bio-nanomachines," Proc. of International Conference on Bio-inspired Information and Communications Technologies (BICT 2015), New York, USA, pp.163-164 (Dec. 2015).

  234. D.Amagata, T.Hara: "Monitoring MaxRS in Spatial Data Streams," Proc. of International Conference on Extending Database Technology (EDBT 2016), Bordeaux, France, pp.317-328 (Mar. 2016).

  235. Y.Okaie, T.Nakano, T.Obuchi, T.Hara: "Research Challenges in Bionanosensor Networks," Proc. of INFOCOM Workshops 2016, San Francisco, CA, USA, pp.1035-1036 (Apr. 2016).

  236. D.Amagata, T.Hara: "Diversified Set Monitoring over Distributed Data Streams," Proc. of ACM International Conference on Distributed and Event-Based Systems (DEBS 2016), Irvine, A, USA, pp.1-12 (June 2016).

  237. K.Udomlamlert, T.Hara: "Reducing Expenses of Top-k Monitoring in Sensor Cloud Services," Proc. of ACM International Conference on Distributed and Event-Based Systems (DEBS 2016), Irvine, A, USA, pp.187-198 (June 2016).

  238. K.Udomlamlert, C.K. Adiputra, T.Hara: "Grand Challenge: Monitoring Top-k on Real-time Dynamic Social-network Graphs," Proc. of ACM International Conference on Distributed and Event-Based Systems (DEBS 2016), Irvine, A, USA, pp.317-321 (June 2016).

  239. M.Yokoyama, T.Hara: "Efficient Top-k Result Diversification for Mobile Sensor Data," Proc. of IEEE International Conference on Distributed Computing Systems (IEEE ICDCS 2016), Nara, Japan, pp.477-486 (June 2016).

  240. T.Nakano, S.Kobayashi, T.Koujin, C.-H.Chan, Y.-H.Hsu, Y.Okaie, T.Obuchi, T.Hara, Y.Hiraoka, T.Haraguchi: "Leader-follower Based Target Detection Model for Mobile Molecular Communication Networks," Proc. of IEEE International Workshop on Signal Processing advances in Wireless Communications (SPAWC 2016), Edinburgh, UK, pp.1-5 (July 2016).

  241. J.Namba, T.Nakano, Y.Okaie, T.Hara: "Epidemic Information Dissemination for Molecular Communication among Mobile Bio-nanomachines," Proc. of ACM International Conference on Nanoscale Computing and Communication (NanoCom 2016), New York, USA, pp.41:1-41:2 (Sept. 2016).

  242. Y.Nakayama, D.Amagata, T.Hara: "An Efficient Method for Identifying MaxRS Location in Mobile Ad Hoc Networks," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2016), Porto, Portugal, pp.37-51 (Sept. 2016).

  243. Y.Kaneko, T.Ito, T.Hara: "A Measurement Study on Virtualization Overhead for Applications of Industrial Automation Systems," Proc. of IEEE International Conference on Emerging Technology & Factory Automation (ETFA 2016), Berlin, Germany, pp.1-8 (Sept. 2016).

  244. J.Namba, T.Nakano, Y.Okaie, T.Hara "Epidemic Information Dissemination for Molecular Communication among Mobile Bio-nanomachines," Proc. of ACM International Conference on Nanoscale Computing and Communication (NanoCom 2016), New York, NY, USA, pp.41:1-41:2 (Sept. 2016).

  245. K.Matsuo, K.Goto, A.Kanzaki, T.Hara: "A Sampling-Based Boundary Detection Method with Consideration of Boundary Shape in Dense Mobile Wireless Sensor Networks," Proc. of International Conference on Advanced Mobile Computing & Multimedia (MoMM 2016), Singapore, pp.307-316 (Nov. 2016).

  246. N.Matsuoka, M.Shirakawa, T.Hara, S.Nishio, "Representing Interests of Twitter Users Using Wikipedia and Decay Model" Proc. of International Workshop on Information Search, Integration, and Personalization (ISIP 2016), Lyon, France, pp.- (Nov. 2016).

  247. T.Yoshihisa, T.Hara: "A Low-Load Stream Processing Scheme for IoT Environments," Proc. of IEEE International Conference on Big Data (IEEE BigData 2016), Washington D.C., USA, pp.263-272 (Dec. 2016).

  248. Y.Okaie, T.Nakano, T.Hara: "Epidemic Information Dissemination in Mobile Molecular Communication Networks for Target Detection Applications," Proc. of International Conference on Bio-inspired Information and Communications Technologies (BICT 2017), Hoboken, N.J., USA (Mar. 2017).

  249. Y.Taniyama, T.Yoshihisa, T.Hara, S.Nishio: "A System to Retrieve Photographs Showing Designated Points," Proc. of IEEE International Conference on Advanced Information Networking and Applications (AINA 2017), Taipei, Taiwan, pp.312-319 (Mar. 2017).

  250. X.Cao, S.Madria, T.Hara: "Efficient Z-order Encoding Based Multi-model Data Compression in WSNs," Proc. of IEEE International Conference on Distributed Computing Systems (IEEE ICDCS 2017), Atlanta, GA, USA, pp.2185-2192 (June 2017).

  251. X.Cao, S.Madria, T.Hara: "A WSN Testbed for Z-order Encoding Based Multi-modal Data Compression," Proc. of IEEE International Conference on Sensing, Communication and Networking (SECON 2017), San Diego, CA (June 2017).

  252. Y.Okaie, T.Nakano, T.Obuchi, T.Hara: "Modeling and Simulation Experiments of Trail Network Formation by Non-diffusion-based Mobile Molecular Communication Networks," Proc. of IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2017), Sapporo, Japan (July 2017).

  253. Y.Nakayama, D.Amagata, T.Hara: "Probabilistic MaxRS Queries on Uncertain Data," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2017), Lyon, France, pp.111-119 (Aug. 2017).

  254. S.Nishio, D.Amagata, T.Hara: "Geo-Social Keyword Top-k Data Monitoring over Sliding Window," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2017), Lyon, France, pp.409-424 (Aug. 2017).

  255. N.Taguchi, D.Amagata, T.Hara: "Geo-Social Keyword Skyline Queries," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2017), Lyon, France, pp.425-435 (Aug. 2017).

  256. T.Nakamura, T.Tominaga, M.Watanabe, N.Thammasan, K.Urai, Y.Nakamura, K.Hosoda, T.Hara, Y.Hijikata: "Investigation on Dynamics of Group Decision Making with Collaborative Web Search," Proc. of IEEE/WIC/ACM International Conference on Web Intelligence (WI 2017), Leipzig, Germany, pp.434-441 (Aug. 2017).

  257. Y.Kaneko, T.Ito, T.Hara: "Performance Estimation Method for Virtualized Building Facilities Monitoring Applications," Proc. of IEEE International Conference on Emerging Technology & Factory Automation (ETFA 2017), Limassol, Cyprus (Sept. 2017).

  258. M.Shirakawa, T.Hara, T.Maekawa: "Never Abandon Minorities: Exhaustive Extraction of Bursty Phrases on Microblogs Using Set Cover Problem," Proc. of International Conference on Empirical Methods in Natural Language Processing (EMNLP 2017), Copenhagen, Denmark, pp.2358-2367 (Sept. 2017).

  259. Y.Okaie, T.Nakano, T.Obuchi, S.Ishiyama, T.Hara: "Molecule Gradient Formation by Mobile Bio-nanomachines," Proc. of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2017), Xiamen, China, pp.844-848 (Nov. 2017).

  260. M.Yokoyama, T.Hara: "Efficient Diversified Set Monitoring for Mobile Sensor Stream Environments," Proc. of IEEE International Conference on Big Data (IEEE BigData 2017), Boston, MA, USA, pp.500-507 (Dec. 2017).

  261. S.Abe, M.Shirakawa, T.Nakamura, T.Hara, K.Ikeda, K.Hoashi, "Predicting the Occurrence of Life Events from User's Tweet History," Proc. of IEEE International Conference on Semantic Computing (ICSC2018), Laguna Hills, CA, USA, pp.219-226 (Feb. 2018).

  262. N.Yoshimura, T.Maekawa, D.Amagata, T.Hara, "Preliminary Investigation of Fine-Grained Gesture Recognition with Signal Super-Resolution," Proc. of IEEE International Conference on Pervasive Computing and Communications (PerCom 2018), Athens, Greese, pp.484-487 (Mar. 2018).

  263. T.Dissanayake, T.Maekawa, D.Amagata, T.Hara, "Preliminary Investigation of Detecting Events of Indoor Objects with Smartphone Active Sound Sensing," Proc. of IEEE International Conference on Pervasive Computing and Communications (PerCom 2018), Athens, Greese, pp.500-503 (Mar. 2018).

  264. D.Amagata, T.Hara, "Mining Top-k Co-Occurrence Patterns across Multiple Streams (Extended abstract)," Proc. of IEEE International Conference on Data Engineering (ICDE 2018), Paris, France, pp.1747-1748 (Apr. 2018).

  265. Y.Sasaki, T.Hara, Y.Ishikawa, "Top-k Query Processing with Replication Strategy in Mobile Ad Hoc Networks," Proc. of IEEE International Conference on Mobile Data Management (MDM 2018), Aalborg, Denmark, pp.217-226 (June 2018).

  266. W.Zhao, W.Xin, X.Zheng, T.Hara,, "Comparison Study On UAV Movement for Adapting to Multimedia Burst in Post-Disaster Networks," Proc. of IEEE International Conference on Smart Computing (SMARTCOMP 2018), Sicily, Italy, pp.339-343 (June 2018).

  267. B.Gao, T.Maekawa, D.Amagata, T.Hara, "Environment-adaptive Malicious Node Detection in MANETs with Ensemble Learning," Proc. of IEEE International Conference on Distributed Computing Systems (IEEE ICDCS 2018), Vienna, Austria, pp.556-566 (July 2018).

  268. Z.Aiko, K.Nakashima, T.Yoshihisa, T.Hara, "A Social Sensor Visualization System for a Platform to Generate and Share Social Sensor Data," Proc. of IEEE Computer Software and Applications Conference (COMPSAC 2018), Tokyo, Japan, Vol.2, pp.628-633 (July 2018).

  269. R.Schulz, S.Martinez, T.Hara: "Usability and Procedure Learnability of Evidence-based Interactive Clinical Systems: Roadmap for a Norwegian-Japanese Research Fellowship," Proc. of The Scandinavian Conference on Health Informatics (SHI 2018), Aalborg, Denmark (Aug. 2018).

  270. S.Kato, D.Amagata, S.Nishio, T.Hara: "Monitoring Range Motif on Streaming Time-Series," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2018), Regensburg, Germany, pp.251-266 (Sept. 2018).

  271. Y.Okaie, S.Ishiyama, T.Hara: "Leader-Follower-Amplifier Based Mobile Molecular Communication Systems for Cooperative Drug Delivery," Proc. of IEEE Global Communications Conference (Globecom 2018), Selected Areas in Communications Symposium - Molecular, Biological and Multi-scale Communications, Abu Dhabi, UAE (Dec. 2018).

  272. S.Ishiyama, T.Nakano, Y.Okaie, T.Hara: "Epidemic Information Dissemination in Mobile Molecular Communication Systems," Proc. of IEEE Global Communications Conference (Globecom 2018), Selected Areas in Communications Symposium - Molecular, Biological and Multi-scale Communications, Abu Dhabi, UAE (Dec. 2018).

  273. W.Zhao, W.Qiu, C.Zhou, Z.Liu, T.Hara: "Edge-node Assisted Live Video Streaming: A Coalition Formation Game Approach," Proc. of IEEE Globecom 2018 Workshop: Collaborative Intelligence for Big Data, Abu Dhabi, UAE (Dec. 2018).

  274. M.Kurokawa, H.Niu, K.Yonekawa, A.Kobayashi, D.Amagata, T.Maekawa, T.Hara: "Virtual Touch-Point: Trans-Domain Behavioral Targeting via Transfer Learning," Proc. of IEEE International Big Data Transfer Learning Workshop, Seattle, WA, USA, pp.4762-4767 (Dec. 2018).

  275. C.Chen, T.Maekawa, D.Amagata,T.Hara: "Preliminary Investigation of Predicting Next-Use Mobile Apps Using App Semantic Representations," Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2019 Workshops), Kyoto, Japan, pp.391-394 (Mar. 2019).

  276. T.Kamiya, T.Nakamura, T.Maekawa, D.Amagata, T.Hara: "Estimating User Contexts from Mobile Application Usage Histories," Proc. of PerCom International Workshop on Behavior analysis and Recognition for knowledge Discovery (BiRD 2019), Kyoto, Japan, pp.765-770 (Mar. 2019).

  277. R. Schulz, T. Hara, S.Martinez: "Mind the Steps: Electronic Clinical Procedure Library in Health Education and Practice," Proc. of International Technology, Education and Development Conference (INTED 2019), Valencia, Spain (Mar. 2019).

  278. D.Amagata, T.Hara, C.Xiao: "Dynamic Set kNN Self-Join," Proc. of IEEE International Conference on Data Engineering (ICDE 2019), Macau, China, pp.818-829 (Apr. 2019).

  279. D.Amagata, T.Hara: "Identifying the Most Interactive Object in Spatial Databases," Proc. of IEEE International Conference on Data Engineering (ICDE 2019), Macau, China, pp.1286-1297 (Apr. 2019).

  280. K.Yonekawa, H.Niu, M.Kurokawa, A.Kobayashi, D.Amagata, T.Maekawa, T.Hara: "A Heterogeneous Domain Adversarial Neural Network for Trans-Domain Behavioral Targeting," Proc. of Pacific-Asia Conference on Knowledge Discovery and Data Mining (Workshops), Macau, China, pp.274-285 (Apr. 2019).

  281. Y.Lyu, D.Amagata, T.Maekawa, T.Hara, H.Niu, K.Yonekawa, M.Kurokawa: "Behavior Matching between Different Domains based on Canonical Correlation Analysis," Proc. of International Workshop on e-Commerce and NLP (ENLP 2019), San Francisco, CA, USA, pp.361-366 (May 2019).

  282. H.Wang, D.Amagata, T.Maekawa, T.Hara, K.Yonekawa, H.Niu, M.Kurokawa: "Preliminary Investigation of Alleviating User Cold-Start Problem in E-commerce with Deep Cross-Domain Recommender System," Proc. of International Workshop on e-Commerce and NLP (ENLP 2019), San Francisco, CA, USA, pp.398-403 (May 2019).

  283. N.Yoshimura, T.Maekawa, D.Amagata, T.Hara: "Upsampling Inertial Sensor Data from Wearable Smart Devices using Neural Networks,", Proc. of IEEE International Conference on Distributed Computing Systems (IEEE ICDCS 2019), Dallas, TX, USA, pp.1983-1993 (July 2019).

  284. S.Kato, D.Amagata, S.Nishio, T.Hara: "Discord Monitoring for Streaming Time-Series," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2019), Linz, Austria, pp.79-94 (Aug. 2019).

  285. D.Amagata, T.Hara: "Correlation Set Discovery on Time-Series Data," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2019), Linz, Austria, pp.275-290 (Aug. 2019).

  286. R.Schulz, S.Martinez, T.Hara: "Towards a Game-Design Framework for Evidence-Based Clinical Procedure Libraries," Proc. of IEEE International Conference on Serious Games and Applications for Health (SeGAH 2019), Kyoto, Japan (Aug. 2019).

  287. S.Ishiyama, T.Nakano, Y.Okaie, T.Hara, K.Harumoto: "Data-driven Simulation of Epidemic Information Dissemination in Mobile Molecular Communication," Proc. of ACM International Conference on Nanoscale Computing and Communication (NANOCOM 2019), New York, NY, USA, Article No.34 (Sept. 2019).

  288. R.Schulz, T.Hara, S.Martinez: "Immersion and Perspective Taking in Healthcare Technology Supporting Healthcare Professionals with Daily Tasks and Clinical Procedures," Proc. of 17th Scandinavian Conference on Health Informatics (SHI 2019), Oslo, Norway, No.161, pp.67-72 (Nov. 2019).

  289. T.Hara: "Dummy-based Location Anonymization for Controlling Observable User Preferences," Proc. of IEEE Global Communications Conference, Waikoloa, HI, USA (Dec. 2019).

  290. W.Zhao, L.Zhu, Z.Liu, X.Wu, X.Wang, R.Pan, T.Hara: "Resource Assignment for Real-time Streaming in Edge Node-assisted Transmitting," Proc. of IEEE Globecom 2019 Workshop on Advances in AI and Big Data for IoT, Waikoloa, HI, USA (Dec. 2019).

  291. K.Yonekawa, H.Niu, M.Kurokawa, A.Kobayashi, D.Amagata, T.Maekawa, T.Hara: "Advertiser-Assisted Behavioral Ad-Targeting via Denoised Distribution Induction," Proc. of IEEE International Conference on Big Data (IEEE BigData) , Los Angeles, CA, USA (Dec. 2019).

  292. Y.Zhang, T.Hara: "A Probabilistic Model for Malicious User and Rumor Detection on Social Media", Proc. of Hawaii International Conference on System Sciences (HICSS 2020), Maui, Hawaii, USA (Jan. 2020).

  293. K.Yonekura, T.Nakano, Y.Okaie, T.Hara, K.Harumoto: "Network Formation Model of Bio-nanomachines Based on Directed Migration and Adhesion", Proc. of IEEE Wireless Communications and Networking Conference (WCNC 2020), Seoul, South Korea (Apr. 2020).

  294. Y.Zhang, T.Hara, M.Shirakawa: "Discovering Social Media Timing Signals for Predicting Temporary Deal Success", Proc. of European Conference on Information Systems (ECIS 2020), Marrakech, Morocco (June 2020).

  295. T.Hara: "Persona Model Transfer for User Activity Prediction Across Heterogeneous Domains", Proc. of Poly 2020, on-line, pp.37-41 (Aug. 2020).

  296. D.Nguyen, H.Niu, K.Yonekawa, M.Kurokawa, C.Ono, D.Amagata, T.Maekawa, T.Hara: "On the Transferability of Deep Neural Networks for Recommender System", Proc. of International Workshop on Interactive Adaptive Learning (IAL2020), on-line (Sept. 2020).

  297. S.Ishiyama, T.Nakano, Y.Okaie, T.Hara, K.Harumoto: "Cooperative Signaling and Directed Migration of Bio-nanomachines in Mobile Molecular Communication", Proc. of ACM International Conference on Nanoscale Computing and Communication (ACM NanoCom 2020), on-line (Sept. 2020).

  298. S.Tsuruoka, D.Amagata, S.Nishio, T.Hara: "Distributed Spatial-Keyword kNN Monitoring for Location-aware Pub/Sub", Proc. of International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2020), on-line (Nov. 2020).

    Shohei Tsuruoka, Daichi Amagata, Shunya Nishio, Takahiro Hara,

  299. M.Fujiwara, T.Nakatani, Y.Tian, J.Korpela, T.Maekawa, T.Hara: "Smartphone-assisted Automatic Indoor Localization of BLE-enabled Appliances Using BLE and GNSS Signals", Proc. of ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation, on-line (Nov. 2020).

  300. Y.Zhang, M.Shirakawa, T.Hara: "A Probabilistic Model for Predicting E-commerce Purchases from Emerging Local and Social Interests", Proc. of IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT), on-line, pp.345-350 (Dec. 2020).

  301. Y.Tian, T.Maekawa, T.Hara, Y.Yokomori, T.Kitagawa: "NaviMine: A Tool for Mining Trajectories through Behavior Prediction", Proc. of 2021 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops 2021), on-line, pp.502-507 (Mar. 2021).

  302. Y.Zhang, T.Hara: "Predicting E-commerce Item Sales With Web Environment Temporal Background", Proc. of International Conference on Business Information Systems (BIS 2021), on-line, pp.233-243 (June 2021).

  303. D.Amagata, M.Onizuka, T.Hara: "Fast and Exact Outlier Detection in Metric Spaces: A Proximity Graph-based Approach," Proc. of ACM SIG International Conference on Management of Data (SIGMOD 2021), on-line, pp.36-48 (June 2021).

  304. D.Amagata, T.Hara: "Fast Density-Peaks Clustering: Multicore-based Parallelization Approach," Proc. of ACM SIG International Conference on Management of Data (SIGMOD 2021), on-line, pp.49-61 (June 2021).

  305. Y.Zhang, T.Maekawa, T.Hara: "Using Social Media Background to Improve Cold-start Recommendation Deep Models," Proc. of International Joint Conference on Neural Networks (IJCNN 2021), on-line (July 2021).

  306. N.Yoshimura, T.Maekawa, T.Hara: "Toward Understanding Acceleration-based Activity Recognition Neural Networks with Activation Maximization," Proc. of International Joint Conference on Neural Networks (IJCNN 2021), on-line (July 2021).

  307. Y.Zhang, M.Shirakawa, T.Hara: "An Automatic Method for Understanding Political Polarization through Social Media", Proc. of International Conference on Knowledge Science, Engineering and Management (KSEM 2021), on-line (August 2021).

  308. Y.Zhang, M.Shirakawa, T.Hara: "A General Method for Event Detection on Social Media", Proc. of European Conference on Advances in Databases and Information Systems (ADBIS 2021), Tartu, Estonia, pp.43-56 (August 2021).

  309. Y.Arai, D.Amagata, Su.Fujita, T.Hara: "LGTM: A Fast and Accurate kNN Search Algorithm in High-dimensional Spaces," Proc. of International Conference on Database and Expert Systems Applications (DEXA 2021), on-line, pp.220-231 (Sept. 2021).

  310. D.Amagata, T.Hara: "Reverse Maximum Inner Product Search: How to Efficiently Find Users Who Would Like to Buy My Item?," Proc. of ACM International Conference on Recommender Systems (RecSys 2021), on-line, pp.273-281 (Sept. 2021).

  311. Y.Nishino, T.Maekawa, T.Hara: "WeakCounter: Acceleration-based Repetition Counting of Actions with Weakly Supervised Learning," Proc. of International Symposium on Wearable Computers (ISWC'21), on-line, pp.256-263 (Sept. 2021).

  312. D.Amagata, S.Tsuruoka, Y.Arai, T.Hara: "Feat-SKSJ: Fast and Exact Algorithm for Top-k Spatial-Keyword Similarity Join," Proc. of International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2021), on-line, pp.15-24 (Nov. 2021).

  313. M.Fujiwara, T.Nakatani, Y.Tian, J.Korpela, T.Maekawa, T.Hara: "Smartphone-assisted Automatic Indoor Localization of BLE-enabled Appliances Using BLE and GNSS Signals", Smartphone-assisted Automatic Indoor Localization of BLE-enabled Appliances Using BLE and GNSS Signals, on-line, pp.80-89 (Nov. 2021).

  314. H.Nakama, D.Amagata, T.Hara: "Approximate Top-k Inner Product Join with a Proximity Graph," Proc. of IEEE International Conference on Big Data (Big Data 2021), on-line, pp.4468-4471 (Dec. 2021).

  315. Z.Li, D.Amagata, T.Maekawa, K.Yonekawa, M.Kurokawa, T.Hara: "Trends-enhanced Attention & Memory Networks for E-commerce Recommendation," Proc. of SIGIR Workshop On eCommerce (SIGIReCom 2022), on-line, pp.- (July 2022).

  316. K.Hirata, D.Amagata, S.Fujita, T.Hara: "Diversity-Aware Maximum Inner Product Search Efficiently and Effectively," Proc. of ACM International Conference on Recommender Systems (RecSys 2022), on-line, pp.- (Sept. 2021).

Survey / Conference Report

  1. T.Hara and M.Kitsuregawa: "Report on the Seventh International Conference on Mobile Data Management (MDM 2006)", ACM SIGMOBILE Mobile Computing and Communications Review (ACM M2CR), Vol.11, No.3, Back matter (July 2007).

  2. K.Nakayama, T.Hara, and S.Nishio: "Wikipedia: A New Frontier for AI Researches", Joural of the Japanese Society of Artificial Intelligence, Vol.22, No.5, pp.693-701 (Sept. 2007), in Japanese.

  3. T.Hara, A.Kanzaki, K.Nakayama, T.Yoshihisa, Y.Teranishi, N.Wakamiya, and S.Shimojo: "X-Sensor: A Sensor Network Testbed for Large Scale Experiments on a Practical Platform", IPSJ Magazine, Vol.49, No.8, pp.950-955 (Aug. 2008), in Japanese.

Demo

  1. T.Maekawa, T.Hara, and S.Nishio: "Automatic Web Page Browsing for Mobile Users", Int'l Workshop on Biologically Inspired Approaches to Advanced Information (Bio-adit2006), Osaka, Japan (Jan. 2006).

  2. T.Maekawa, T.Hara, and S.Nishio: "Two Aproaches to Browse Large Web Pages using Mobile Devices", Int'l Conference on Mobile Data Management (MDM 2006), Nara, Japan (May 2006).

  3. M.Erdmann, K.Nakayama, T.Hara, and S.Nishio: "A Bilingual Dictionary Extracted rom the Wikipedia Link Structure", International Conference on Database Systems for Advanced Applications (DASFAA 2008), New Delhi, India (Mar. 2008).

  4. K.Nakayama, T.Hara, and S.Nishio: "A Search Engine for Browsing the Wikipedia Thesaurus", International Conference on Database Systems for Advanced Applications (DASFAA 2008), New Delhi, India (Mar. 2008).

  5. Y.Arase, T.Hara, T.Uemukai, and S.Nishio: "MotoBrowser: Enjoyable Browsing using Cellular Phones by "Motoring" Web Pages", International Conference on Mobile Data Management (MDM 2009), Taipei, Taiwan (May 2009).

  6. A.Kanzaki, T.Hara, Y.Ishi, T.Yoshihisa, Y.Teranishi, and S.Shimojo: "A Sensor Network Testbed Integrating Multiple Networks", International Conference on Mobile Data Management (MDM 2009), Taipei, Taiwan (May 2009).

Technical Reports

  1. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Database Migration for Transaction Processing in ATM Networks", Department of Information Systems Engineering, Faculty of Engineering, Osaka University, Technical Report, ISE-TR-96-004 (Sept. 1996).

  2. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Location Management for Migratory Resources in ATM Networks", Department of Information Systems Engineering, Faculty of Engineering, Osaka University, Technical Report, ISE-TR-96-006 (May 1996).

  3. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "DB-MAN: A Distributed Database System based on Database Migration in ATM Networks", Department of Information Systems Engineering, Faculty of Engineering, Osaka University, Technical Report, ISE-TR-96-012 (Nov. 1996).

  4. T.Hara, K.Harumoto, M.Tsukamoto, and S.Nishio: "Database Migration: A New Architecture for Transaction Processing in Broadband Networks," Department of Information Systems Engineering, Faculty of Engineering, Osaka University, Technical Report, ISE-TR-97-007 (Oct. 1997).