1. Yuichi Iijima Yoshiharu Ishikawa,
    “Processing Methods for Nearest Neighbor Queries Based on Imprecise Location Information”,
    IEICE Transactions on Information and Systems (Japanese Edition), Vol. J93-D, No. 6, pp. 781-794, June 2010. (in Japanese)
  2. Fengrong Li and Yoshiharu Ishikawa,
    “Query Processing in a Traceable P2P Record Exchange Framework”,
    IEICE Transactions on Information and Systems, Vol. E93-D, No. 6, pp. 1433-1446, June 2010.
    – DOI: 10.1587/transinf.E93.D.1433
    PDF: copyright©2010 IEICE
    IEICE Transaction Online
  3. Yu Suzuki and Masatoshi Yoshikawa,
    “An Improvement Method of Calculation Cost for Assessing the Quality of Wikipedia Articles”,
    IPSJ Transactions on Databases (TOD), Vol. 3, No. 3, pp. 20-32, September 2010. (in Japanese)


  1. Machiko Toyoda and Yasushi Sakurai,
    “Discovery of Cross-Similarity in Data Streams”,
    Proceedings of the International Conference on Data Engineering (ICDE 2010), Los Angeles, USA, March 2010. (short paper)
  2. Xi Guo, Yoshiharu Ishikawa, and Yunjun Gao,
    “Direction-Based Spatial Skylines”,
    Proceedings of Ninth International ACM Workshop on Data Engineering for Wireless and Mobile Access (MobiDE 2010, ACM SIGMOD/PODS 2010 Workshop), pp. 73-80, Indianapolis, Indiana, June 2010.
    – DOI: 10.1145/1850822.1850835
  3. Fengrong Li and Yoshiharu Ishikawa,
    “Query Processing with Materialized Views in a Traceable P2P Record Exchange Framework”,
    Proceedings of WAIM 2010 International Workshop (IWGD 2010, WCMT 2010, XMLDM 2010), LNCS 6185, pp. 246-257, China, July 2010.
    – DOI: 10.1007/978-3-642-16720-1_25
  4. Yanwei Xu, Yoshiharu Ishikawa, and Jihong Guan,
    “Efficient Continuous Top-k Keyword Search in Relational Databases”,
    Proceedings of 11th International Conference on Web-Age Information Management (WAIM 2010), LNCS 6184, pp. 755-767, Jiuzhaigou (Jiuzhai Valley), China, July 2010.
    – DOI: 10.1007/978-3-642-14246-8_71
  5. Fengrong Li,
    “Traceable Peer-to-Peer Record Exchange”,
    Proceedings of VLDB 2010 PhD Workshop, Singapore, September 2010.
  6. Yu Suzuki,
    “A Credibility Assessment for Message Streams on Microblogs”,
    International Conference on P2P, Parallel, Grid, Cloud and Internet Computing (3PGCIC), pp. 527-530, Fukuoka, Japan, November 2010.
    – DOI: 10.1109/3PGCIC.2010.90
  7. Masanori Mano and Yoshiharu Ishikawa,
    “Anonymizing User Location and Profile Information for Privacy-aware Mobile Services”,
    Proceedings of 2nd ACM SIGSPATIAL International Workshop on Location Based Social Networks (LBSN 2010), pp. 68-75, San Jose, CA, November 2010.
    – DOI: 10.1145/1867699.1867712


  1. Yoshiharu Ishikawa,
    “Data Mining for Moving Object Databases”,
    Laurence T. Yang, Agustinus Borgy Waluyo, Jianhua Ma, Ling Tan, and Bala Srinivasan (eds.), Mobile Intelligence, John Wiley & Sons, 2010, Chapter 11, pp. 239-263, ISBN 978-0-470-19555-0.
  2. Hiroyuki Kitagawa, Yoshiharu Ishikawa, Qing Li, Chiemi Watanabe (eds.),
    Database Systems for Advanced Applications (Proceedings of 15th International Conference on Database Systems for Advanced Applications (DASFAA 2010)),
    Lecture Notes in Computer Science 5981 and 5982, Springer, 2010, Volumes 1 and 2. (ISBN: 978-3-642-12025-1 and 978-3-642-12097-8)


  1. Yoshiharu Ishikawa,
    Spatial Query Processing Based on Uncertain Location Information,
    6th International Workshop on Databases in Networked Information Systems (DNIS 2010), LNCS 5999, pp. 311-316, Aizu, Fukushima, Japan, March 2010.
    – DOI: 10.1007/978-3-642-12038-1_21
  2. Yoshiharu Ishikawa,
    “Traceable P2P Record Exchange”,
    The 5th Korea-Japan Database Workshop (KJDB 2010), Jeju Island, Korea, May 2010. (invited talk)