[top] [ English | Japanese

Keishi Tajima Publication List (incomplete)

  1. Ziyang Liao, Keishi Tajima,
    Disjunctive Sets of Phrase Queries for Diverse Query Suggestion,
    Proc. of IEEE/WIC/ACM International Conferences on Web Intelligence,
    IEEE Computer Society Press, Thessaloniki, Greece, October 2019

  2. Taka Maenishi, Keishi Tajima,
    Identifying Tags Describing Image Contents,
    Proc. of ACM Conference on Hypertext,
    ACM Press, Hof, Germany, September 2019
    [ abstract | full text: pdf ]

  3. Masahiro Inoue, Keishi Tajima,
    Temporal Analysis of Supply and Demand of Topics on The Web,
    Proc. of ACM Conference on Web Science,
    pp.143-144, ACM Press, Boston, MA, June 2019 (ACM DL)
    [ abstract | full text: pdf | poster: pdf | BibTex entry ]

  4. Momo Kyozuka, Yang Xu, Keishi Tajima,
    A Ranking Method for Relaxed Queries in Book Search,
    Proc. of ACM/IEEE Joint Conference on Digital Libraries,
    pp.400-401, ACM Press, Urbana-Champaign, IL, June 2019
    [ abstract | full text: pdf | poster: pdf ]

  5. Xiaoni Duan, Keishi Tajima,
    Improving Multiclass Classification in Crowdsourcing by Using Hierarchical Schemes,
    Proc. of The Web Conference,
    pp.2694-2700, ACM Press, San Francisco, CA, May 2019 (ACM DL)
    [ abstract | full text: pdf | poster: pdf | BibTex entry ]

  6. Yuanyuan Wang, Panote Siriaraya, Haruka Sakata, Yukiko Kawai, Keishi Tajima,
    A Map Search System based on a Spatial Query Language (demo),
    Proc. of International Conferene on Extending Database Technology,
    pp.578-581, OpenProceedings.org, Lisbon, Portugal, March 2019
    [ abstract | full text: pdf | demo1, demo2 | BibTex entry ]

  7. Yuanyuan Wang, Panote Siriaraya, Yukiko Kawai, Keishi Tajima,
    A Proposal of Spatial Operators for a Collaborative Map Search System,
    Proc. of ACM Confeence on Intelligent User Interface,
    pp.79-80, ACM Press, Los Angeles, CA, March 2019 (ACM DL)
    [ abstract | full text: free download from ACM | poster: pdf | BibTex entry ]

  8. Yoko Yamakata, Keishi Tajima, Shinsuke Mori,
    A Case Study on Start-up of Dataset Construction: In Case of Recipe Named Entity Corpus,
    Proc. of 2nd HMData Workshop (collocated with IEEE BigData),
    pp.3564-3567, IEEE Computer Society Press, Seattle, WA, December 2018 (IEEE Xplore, IEEE CS DL)
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  9. Yusuke Suzuki, Masaki Matsubara, Keishi Tajima, Toshiyuki Amagasa, Atsuyuki Morishima,
    A Cache-based Approach to Dynamic Switching between Different Dataflows in Crowdsourcing,
    Proc. of 2nd HMData Workshop (collocated with IEEE BigData),
    pp.3552-3554, IEEE Computer Society Press, Seattle, WA, December 2018 (IEEE Xplore, IEEE CS DL)
    [ abstract | slides: pdf | poster: pdf | BibTex entry ]

  10. Momo Kyozuka, Keishi Tajima,
    Ranking Methods for Query Relaxation in Book Search,
    Proc. of IEEE/WIC/ACM International Conferences on Web Intelligence,
    pp.466-473, IEEE Computer Society Press, Santiago, Chile, December 2018 (IEEE Xplore, IEEE CS DL)
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  11. Daisuke Kataoka, Keishi Tajima,
    SNS Retrieval Based on User Profile Estimation Using Transfer Learning from Web Search,
    Proc. of IEEE/WIC/ACM International Conferences on Web Intelligence,
    pp.278-285, IEEE Computer Society Press, Santiago, Chile, December 2018 (IEEE Xplore, IEEE CS DL)
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  12. Ken Mizusawa, Keishi Tajima, Masaki Matsubara, Toshiyuki Amagasa, Atsuyuki Morishima,
    Efficient Pipeline Processing of Crowdsourcing Workflows,
    Proc. of 27th ACM International Conference on Information and Knowledge Management,
    pp.1559-1562, ACM Press, Turin, Italy, October 2018 (ACM DL)
    [ abstract | full text: free download from ACM | poster: pdf | BibTex entry ]

  13. Atsuyuki Morishima, Keishi Tajima, Itaru Kitahara, Munenari Inoguchi, Masaki Matsubara, Hidehiko Shishido,
    JST CREST CyborgCrowd Project,
    Proc. of 1st Project Networking Workshop (collocated with 6th AAAI HCOMP),
    Zurich, Switzerland, July 2018
    [ abstract | full text: pdf | slides: pdf | poster: pdf ]

  14. Naoki Kobayashi, Masaki Matsubara, Keishi Tajima, Atsuyuki Morishima,
    A Crowd-in-the-Loop Approach for Generating Conference Programs with Microtasks,
    Proc. of 1st HMData Workshop (collocated with IEEE BigData),
    pp.4312-4314, IEEE Computer Society Press, Boston, MA, December 2017 (IEEE Xplore, IEEE CS DL)

  15. Xiaoni Duan, Keishi Tajima,
    Improving Classification Accuracy in Crowdsourcing through Hierarchical Reorganization,
    Proc. of 1st HMData Workshop (collocated with IEEE BigData),
    pp.4290-4292, IEEE Computer Society Press, Boston, MA, December 2017 (IEEE Xplore, IEEE CS DL)

  16. Tomohiro Manabe, Keishi Tajima,
    Subtopic Ranking Based on Block-Level Document Analysis,
    Lecture Notes in Business Information Processing, Vol. 292,
    (Revised Selected Papers from Proc. of 12th International Conference on Web Information Systems and Technologies),
    pp. 83-104, Springer-Verlag, October 2017
    [ BibTex entry ]

  17. Daichi Imamori, Keishi Tajima,
    Predicting Popularity of Twitter Accounts through the Discovery of Link-Propagating Early Adopters,
    Proc. of 25th ACM International Conference on Information and Knowledge Management,
    pp.639-648, ACM Press, Indianapolis, IN, October 2016 (ACM DL)
    [ abstract | full text: free download from ACM | slides: pdf | BibTex entry ]

  18. Hikaru Takemura, Keishi Tajima,
    Classification of Twitter Accounts into Targeting Accounts and Non-Targeting Accounts,
    Proc. of 27th ACM Conference on Hypertext and Social Media,
    pp. 291-296, ACM Press, Halifax, Canada, July 2016 (ACM DL)
    [ abstract | full text: free download from ACM | slides: pdf | BibTex entry ]

  19. Tomohiro Manabe, Keishi Tajima,
    Subtopic Ranking Based on Hierarchical Headings,
    Proc. of 12th International Conference on Web Information Systems and Technologies,
    Vol.2, pp. 121-130, SciTePress, Rome, Italy, April 2016 (SciTePress Digital Library)
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  20. Tomohiro Manabe, Keishi Tajima,
    Heading-Aware Proximity Measure and Its Application to Web Search,
    DBSJ Journal, Vol.14, Article No.2,
    pp.1-6, March 2016
    [ abstract | full text: pdf | BibTex entry | experiment data ]

  21. Ming Li, Keishi Tajima,
    Automatic Generation of Authentication Questions from Private Messages,
    Proc. of IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technologies,
    pp.505-510, IEEE Computer Society Press, Singapore, December 2015 (IEEE Xplore, IEEE CS DL)
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  22. Tomohiro Manabe, Keishi Tajima,
    Heading-Aware Snippet Generation for Web Search,
    Proc. of 11th Asia Information Retrieval Societies Conference,
    Lecture Notes in Computer Science, Vol. 9460,
    pp. 188-200, Springer-Verlag, Brisbane, Australia, Decembr 2015
    [ abstract | full text: pdf | slides: pdf | BibTex entry | experiment data ]

  23. Tomohiro Manabe, Keishi Tajima,
    Extracting Logical Hierarchical Structure of HTML Documents Based on Headings,
    Proc. of VLDB, Vol.8, No.12,
    pp.1606-1617, Kohala Coast, HI, August 2015
    [ abstract | full text: pdf | slides: pdf | poster: pdf | software | BibTex entry ]

  24. Hikaru Takemura, Atsushi Tanaka, Keishi Tajima,
    Classification of Twitter Follow Links Based on the Followers' Intention,
    Proc. of 30th ACM Symposium on Applied Computing,
    pp. 1174-1180, ACM Press, Salamanca, Spain, April 2015 (ACM DL)
    [ abstract | full text: free download from ACM | slides: pdf | BibTex entry ]

  25. Atsushi Tanaka, Hikaru Takemura, Keishi Tajima,
    Why You Follow: A Classification Scheme for Twitter Follow Links,
    Proc. of 25th ACM Conference on Hypertext and Hypermedia,
    pp. 324-326, ACM Press, Santiago, Chile, September 2014 (ACM DL)
    [ abstract | full text: free download from ACM | poster: pdf | BibTex entry ]

  26. Xiaoqi Zhao, Keishi Tajima,
    Online Retweet Recommendation with Item Count Limits,
    Proc. of IEEE/WIC/ACM International Joint Conferences on Web Intelligence and Intelligent Agent Technologies,
    pp.282-289, IEEE Computer Society Press, Warsaw, Poland, August 2014 (IEEE Xplore, ACM DL)
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  27. Keishi Tajima,
    Schemaless Semistructured Data Revisited --Reinventing Peter Buneman's Deterministic Semistructured Data Model--,
    In Search of Elegance in the Theory and Practice of Computation - Essays Dedicated to Peter Buneman,
    Lecture Notes in Computer Science, Vol. 8000,
    pp. 466-482, Springer-Verlag, Edinburgh, Scotland, October 2013
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  28. Hiroshi Ohnishi, Keishi Tajima,
    Discovering New Jargons Based on Skew of Word Appearance Distribution,
    DBSJ Journal, Vol. 12, No. 1,
    pp. 49-54, June 2013
    (In Japanese)
    [ full text: pdf ]

  29. Hikaru Takemura, Keishi Tajima,
    Tweet Classification Based on Their Lifetime Duration,
    Proc. of 21st ACM International Conference on Information and Knowledge Management,
    pp. 2367-2370, ACM Press, Maui, HI, October 2012 (ACM DL)
    [ abstract | full text: free download from ACM | poster: pdf | BibTex entry ]

  30. Masahiro Inoue, Keishi Tajima,
    Noise Robust Detection of the Emergence and Spread of Topics on the Web,
    Proc. of 2nd Temporal Web Analytics Workshop (in conj. with WWW Conf.),
    pp. 9-16, ACM Press, Lyon, France, April 2012 (ACM DL)
    [ abstract | full text: free download from ACM | slides: Google docs | software | BibTex entry ]

  31. Atsuyuki Morishima, Keishi Tajima, Masateru Tadaishi
    Optimal Tree Node Ordering for Child/Descendant Navigations,
    Proc. of 26th IEEE International Conference on Data Engineering,
    pp. 840-843, IEEE Computer Society Press, Long Beach, CA, March 2010 (IEEE Xplore, IEEE CS DL)
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  32. Shenwei Liu, Keishi Tajima,
    WildThumb: A Web Browser Supporting Efficient Task Management on Wide Displays,
    Proc. of 14th ACM International Conference on Intelligent User Interfaces,
    pp. 159-168, ACM Press, Hong Kong, February 2010 (ACM DL)
    [ abstract | full text: free download from ACM | slides: pdf | BibTex entry ]

  33. Takashi Tokuda, Keishi Tajima,
    Classification of XML Tags according to Their Roles in Document Structure,
    DBSJ Journal, Vol. 8, No. 1,
    pp. 53-58, June 2009
    (In Japanese)
    [ full text: pdf ]

  34. Masateru Tadaishi, Atsuyuki Morishima, Keishi Tajima,
    Proposal of a Graph Data Storage for Efficient Processing of Child/Descendant Queries,
    DBSJ Journal, Vol. 7, No. 3,
    pp. 55-60, December 2008
    (In Japanese)
    [ full text: pdf ]

  35. Keishi Tajima, Kaori Ohnishi,
    Browsing Large HTML Tables on Small Screens,
    Proc. of 21st ACM Symposium on User Interface Software and Technology,
    pp. 259-268, ACM Press, Monterey, CA, October 2008 (ACM DL)
    [ abstract | full text: free download from ACM | slides: pdf | demo: mpg | BibTex entry ]

  36. Toshiro Takase, Keishi Tajima,
    Lazy XML Parsing/Serialization based on Literal and DOM Hybrid Representation,
    Proc. of IEEE International Conference on Web Services,
    pp. 295-303, IEEE Computer Society Press, Beijing, China, September 2008 (IEEE Xplore, IEEE CS DL)

  37. Atsuyuki Morishima, Keishi Tajima,
    InfoSpace Governance Technologies for People Working Together,
    13th SIAM Conference on Parallel Processing for Scientific Computing,
    Atlanta, GA, March 2008

  38. Toshiro Takase, Keishi Tajima,
    An Efficient DOM Implementation based on Literal XML Representation for SOAP Intermediary,
    Proc. of Workshop on Service Oriented Architecture (collocated with 14th Asia-Pacific Software Engineering Conference),
    pp. 23-26, IEEE Computer Society Press, Nagoya, Japan, December 2007

  39. Toshiro Takase, Keishi Tajima,
    Efficient Web Services Message Exchange by SOAP Bundling Framework,
    Proc. of 11th IEEE International Enterprise Distributed Object Computing Conference,
    pp. 63-74, IEEE Computer Society Press, Annapolis, CA, October 2007 (IEEE Xplore, IEEE CS DL)

  40. Shun Hattori, Taro Tezuka, Hiroaki Ohshima, Satoshi Oyama, Junpei Kawamoto, Keishi Tajima, Katsumi Tanaka,
    ReCQ: Real-World Context-Aware Querying,
    Modeling and Using Context: Proc. of 6th International and Interdisciplinary Conference, CONTEXT,
    Lecture Notes in Computer Science, Vol. 4635, pp. 248-262, Springer-Verlag, Roskilde, Denmark, August 2007

  41. Yutaka Kabutoya, Takayuki Yumoto, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka,
    Comparative Quality Evaluation of TV Contents Based on Web Analysis,
    Proc. of the 3rd Third IEEE International Workshop on Databases for Next-Generation Researchers (SWOD),
    pp. 43-48, IEEE Computer Society Press, Istanbul, Turkey, April 2007 (IEEE Xplore, IEEE CS DL)

  42. Keishi Tajima,
    Efficient Query Evaluation in XML Information Subscription Systems,
    Proc. of 2nd International Conference on Informatics Research for Development of Knowledge Society Infrastructure,
    pp. 185-192, IEEE Computer Society Press, Kyoto, Japan, January 2007 (IEEE Xplore, IEEE CS DL)

  43. Ken'ichi Ishikawa, Atsuyuki Morishima, Keishi Tajima,
    Proposal of an Integrated Document Space Management System,
    DBSJ Letters, Vol. 5, No. 2, pp. 89-92, September 2006
    (In Japanese)
    [ full text: pdf ]

  44. Takeshi Noda, Hiroaki Ohshima, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka,
    Web Information Retrieval by Extraction of Topic Terms from Subject Terms,
    DBSJ Letters, Vol. 5, No. 2, pp. 69-72, September 2006
    (In Japanese)
    [ full text: pdf ]

  45. Chi Tian, Taro Tezuka, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka,
    Improving Web Retrieval Precision based on Semantic Relationships and Proximity of Query Keywords,
    Proc. of the 17th International Conference on Database and Expert Systems Applications,
    Lecture Notes in Computer Science, Vol. 4080, pp. 54-63, Springer-Verlag, Krakow, Poland, September 2006

  46. Yimeng Zhang, Shumian He, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka,
    Discovery of Semantically Related Topics for Given Time Series Data,
    DBSJ Letters, Vol. 5, No. 1, pp. 133-136, June 2006
    (In Japanese)
    [ full text: pdf ]

  47. Chi Tian, Taro Tezuka, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka,
    Web Search Improvement Based on Proximity and Density Distribution of Multiple Keywords,
    DBSJ Letters, Vol. 5, No. 1, pp. 113-116, June 2006
    (In Japanese)
    [ full text: pdf ]

  48. Yutaka Kabutoya, Takayuki Yumoto, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka,
    Quality Estimation of Local Contents Based on PageRank Values of Web Pages,
    Proc. of the 2nd International Special Workshop on Databases for Next-Generation Researchers,
    pp. 126-129, IEEE Computer Society Press, Atlanta, GA, April 2006 (IEEE Xplore, IEEE CS DL)

  49. Chi Tian, Taro Tezuka, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka,
    Web Search Improvement Based on Proximity and Density of Multiple Keywords,
    Proc. of the 2nd International Special Workshop on Databases for Next-Generation Researchers,
    pp. 122-125, IEEE Computer Society Press, Atlanta, GA, April 2006 (IEEE Xplore, IEEE CS DL)

  50. Keqiu Li, Hong Shen, Keishi Tajima, Liusheng Huang,
    An Effective Cache Replacement Algorithm in Transcoding-Enabled Proxies,
    The Journal of Supercomputing, Vol. 35, No. 2, pp. 165-184, February 2006 (Springer Link)

  51. Hidetaka Matsumura, Keishi Tajima,
    Incremental Evaluation of a Monotone XPath Fragment,
    Proc. of ACM 14th Conference on Information and Knowledge Management,
    pp. 245-246, ACM Press, Bremen, Germany, October 2005 (ACM DL)
    [ abstract | full text: free download from ACM | poster: pdf | BibTex entry ]

  52. Keqiu Li, Keishi Tajima, Hong Shen,
    Cache Replacement for Transcoding Proxy Caching,
    Proc. of IEEE/WIC/ACM International Conference on Web Intelligence,
    pp. 500-507, IEEE Computer Society Press, Compiegne, France, September 2005 (IEEE Xplore, IEEE CS DL)

  53. Keishi Tajima,
    XPath: a Tree Pattern Language for XML,
    Communications of the Operations Research Society of Japan,
    Vol. 50, No. 6, pp. 373-378, The Operations Research Society of Japan, June 2005
    (In Japanese)
    [ full text: pdf ]

  54. Keqiu Li, Hong Shen, Keishi Tajima,
    Cache Design for Transcoding Proxy Caching,
    Proc. of IFIP International Conference on Network and Parallel Computing,
    Lecture Notes in Computer Science, Vol. 3222, pp. 187-194, Springer-Verlag, Wuhan, China, October 2004 (Springer Link)

  55. Keishi Tajima, Yoshiki Fukui,
    Answering XPath Queries over Networks by Sending Minimal Views,
    Proc. of 30th International Conference Very Large Data Bases,
    pp. 48-59, Morgan Kaufmann, Toronto, Canada, August 2004 (VLDB Archive)
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  56. Peter Buneman, Sanjeev Khanna, Keishi Tajima, Wang-Chiew Tan,
    Archiving Scientific Data,
    (extended version of the SIGMOD paper with additional material)
    ACM Transactions on Database Systems,
    Vol.29, No.1 (SIGMOD/PODS special issue), pp. 2-42, ACM Press, March 2004 (ACM DL)
    [ abstract | full text: free download from ACM | BibTex entry ]

  57. Peter Buneman, Sanjeev Khanna, Keishi Tajima, Wang-Chiew Tan,
    Archiving Scientific Data,
    Proc. of ACM SIGMOD International Conference on Management of Data,
    pp. 1-12, ACM Press, Madison, WI, June 2002 (ACM DL)
    [ abstract | full text: free download from ACM | BibTex entry ]

  58. Sujeet Pradhan, Keishi Tajima, Katsumi Tanaka,
    A Query Model to Synthesize Answer Intervals from Indexed Video Units,
    IEEE Transactions on Knowledge and Data Engineering,
    Vol. 13, No. 5, pp. 824-838, IEEE Computer Society Press, September/October 2001 (IEEE Xplore)
    [ abstract | full text: pdf | BibTex entry ]

  59. Keishi Tajima,
    Query and Manipulation Languages for XML,
    bit,
    Vol.33, No.4, pp. 87-93, Kyoritsu Shuppan Co. Ltd., April 2001
    (In Japanese)

  60. Keishi Tajima,
    Entity-Oriented Queries for Semistructured Data,
    Information Organization and Databases: Foundations of Data Organization,
    The Kluwer International Series in Engineering and Computer Science, Vol. 579, pp. 31-44, Kluwer Academic Publishers, December 2000
    (revised version of the paper in FODO'98)

  61. Katsumi Tanaka, Keishi Tajima, Takashi Sogo, Sujeet Pradhan,
    Algebraic Retrieval of Fragmentarily Indexed Video,
    Journal on New Generation Computing,
    Vol. 18, No. 4, pp. 359-374, Springer-Verlag, December 2000 (Springer Link)

  62. Shojiro Nishio, Katsumi Tanaka, Yasuo Ariki, Shinji Shimojo, Masahiko Tsukamoto, Masatoshi Arikawa, Keishi Tajima, Kaname Harumoto,
    An Advanced Processing Environment for Managing the Continuous and Semistructured Features of Multimedia Content,
    (invited) Proc. of ADBIS-DASFAA Symposium on Advances in Databases and Information Systems,
    Lecture Notes in Computer Science, Vol. 1884, pp. 1-20, Springer-Verlag, Prague, Czech, September 2000 (Springer Link)

  63. Keishi Tajima, Kazuya Yoda, Katsumi Tanaka (translated into English by John Wiley & Sons, Inc.),
    Access Control and Authorization for CG Data with Multiple Detail Levels,
    Systems and Computers in Japan,
    Vol. 31, No. 9, pp. 72-80, John Wiley & Sons, Inc., August 2000 (Wiley Online Library)
    (English translation of the article in Trans. IEICE)

  64. Sujeet Pradhan, Takashi Sogo, Keishi Tajima, Katsumi Tanaka,
    Glues and Filters: A New Algebraic Approach to Retrieve Meaningful Video Intervals from Fragmentarily Indexed Video Shots,
    Advances in Visual Information Management: Proc. of 5th IFIP TC2 WG 2.6 Working Conference on Visual Database Systems (VDB5),
    International Federation for Information Processing, Vol. 168, pp. 11--30, Kluwer Academic Publishers, Fukuoka, Japan, May 2000 (Springer Link)

  65. Katsumi Tanaka, Keishi Tajima, Kazutoshi Sumiya, Hidenari Kiyomitsu,
    Access Control and Views in Web Data Management,
    Advances in Multimedia and Databases for the New Century -- A Swiss/Japanese Perspective --,
    Advanced Database Research and Development Series, Vol. 10, pp. 179-187, World Scientific, April 2000

  66. Keishi Tajima, Katsumi Tanaka,
    New Techniques for the Discovery of Logical Documents in Web,
    Proc. of International Symposium on Database Applications in Non-Traditional Environments,
    pp. 125-132, IEEE Computer Society Press, Kyoto, Japan, November 1999 (IEEE Xplore, IEEE CS DL)

  67. Keishi Tajima, Kenji Hatano, Takeshi Matsukura, Ryouichi Sano, Katsumi Tanaka,
    Discovery and Retrieval of Logical Information Units in Web,
    (invited) Proc. of Workshop on Organizing Web Space (in conjunction with 4th ACM Conference on Digital Libraries),
    pp. 13-23, Berkeley, CA, August 1999
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  68. Sujeet Pradhan, Keishi Tajima, Katsumi Tanaka,
    A Query Model for Retrieving Relevant Intervals within a Video Stream,
    Proc. of IEEE Conference on Multimedia Computing and Systems,
    Vol.II, pp. 788-792, IEEE Computer Society Press, Florence, Italy, June 1999 (IEEE Xplore, IEEE CS DL)

  69. Yoshiaki Mizuuchi, Keishi Tajima,
    Finding Context Paths for Web Pages,
    Proc. of 10th ACM Conference on Hypertext and Hypermedia,
    pp. 13-22, ACM Press, Darmstadt, Germany, February 1999 (ACM DL)
    [ abstract | full text: free download from ACM | slides: pdf | BibTex entry ]

  70. Keishi Tajima,
    Data Models and Query Languages for Semistructured Data,
    IPSJ Transactions on Databases,
    Vol. 40, No. SIG3 (TOD1), pp. 152-170, February 1999
    (In Japanese)
    [ full text: pdf ]

  71. Sujeet Pradhan, Keishi Tajima, Katsumi Tanaka,
    Interval Glue Operations and Answer Filtering for Video Data Retrieval,
    IPSJ Transactions on Databases,
    Vol. 40, No. SIG3 (TOD1), pp. 80-90, February 1999
    (In Japanese)
    [ full text: pdf ]

  72. Keishi Tajima, Kazuya Yoda, Katsumi Tanaka,
    Access Control and Authorization for CG Data with Multiple Detail Levels,
    Transactions of IEICE,
    Vol. J82-D-I, No. 1, pp. 193-200, January 1999
    (In Japanese)

  73. Keishi Tajima,
    Querying Composite Objects in Semistructured Data,
    Proc. of 5th International Conference on Foundations of Data Organization,
    pp. 57-65, Kobe, Japan, November 1998
    [ abstract | full text: pdf | slides: pdf | BibTex entry ]

  74. Keishi Tajima, Yoshiaki Mizuuchi, Masatsugu Kitagawa, Katsumi Tanaka,
    Cut as a Querying Unit for WWW, Netnews, and E-mail,
    Proc. of 9th ACM Conference on Hypertext and Hypermedia,
    pp. 235-244, ACM Press, Pittsburgh, PA, June 1998 (ACM DL)
    [ abstract | full text: free download from ACM | slides: pdf | BibTex entry ]

  75. Keishi Tajima,
    Query and Access Control Mechanisms for New Database Applications,
    Advanced Database Systems for Integration of Media and User Environments,
    Advanced Database Research and Development Series, Vol. 9, pp. 113-118, World Scientific, June 1998

  76. Sujeet Pradhan, Keishi Tajima, Katsumi Tanaka,
    Querying Video Databases based on Description Substantiality and Approximations,
    Proc. of IPSJ International Symposium on Information Systems and Technologies for Network Society,
    pp. 183-190, World Scientific, Fukuoka, Japan, September 1997

  77. Masaki Kamiura, Hiroaki Oiso, Keishi Tajima, Katsumi Tanaka,
    Spatial Views and LOD-Based Access Control in VRML-object Databases,
    Proc. of International Conference on Worldwide Computing and Its Applications,
    Lecture Notes in Computer Science, Vol. 1274, pp. 210-225, Springer-Verlag, Tsukuba, Japan, March 1997

  78. Sujeet Pradhan, Keishi Tajima, Katsumi Tanaka,
    Utilizing Prototype Objects and Powerdomains to Support Public Authoring of Video Databases,
    Proc. of International Symposium on Cooperative Database Systems for Advanced Applications,
    Advanced Database Research and Development Series, Vol. 7, pp. 210-217, World Scientific, Kyoto, Japan, December 1996

  79. Susumu Nishimura, Atsushi Ohori, Keishi Tajima,
    An Equational Object-Oriented Data Model and its Data-Parallel Query Language,
    Proc. of ACM 11th Annual Conference on Object-Oriented Programming Systems, Languages, and Applications,
    pp. 1-17, ACM Press, San Jose, CA, October 1996 (ACM DL)
    (also available as SIGPLAN Notices Vol. 31, No. 10)
    [ abstract | full text: free download from ACM | BibTex entry ]

  80. Keishi Tajima,
    Static Detection of Security Flaws in Object-Oriented Databases,
    Proc. of ACM SIGMOD International Conference on Management of Data,
    pp. 341-352, ACM Press, Montreal, Canada, June 1996 (ACM DL)
    (also available as SIGMOD Record Vol. 25, No. 2)
    [ abstract | full text: free download from ACM | slides: pdf | BibTex entry]

  81. Keishi Tajima,
    Statically Detecting Security Flaws in Object-Oriented Database Systems,
    Object-Oriented Computing III --11th JSSST Workshop on Object-Oriented Computing '95--,
    Lecturenote/Software Series, Vol. 11, pp. 71-80, Kindai Kagaku-sya, Tatsunokuchi, Japan, March 1995
    (In Japanese)

  82. Atsushi Ohori, Keishi Tajima,
    A Polymorphic Calculus for Views and Object Sharing,
    Proc. of 13th ACM Symposium on Principles of Database Systems,
    pp. 255-266, ACM Press, Minneapolis, MN, May 1994 (ACM DL)
    [ abstract | full text: free download from ACM | slides: pdf | BibTex entry ]

  83. Keishi Tajima, Kazuhiko Kato, Takashi Masuda,
    An Object-Oriented Database System with Three-layered Objects and its Inheritance Mechanism,
    Object-Oriented Computing I --8th JSSST Workshop on Object-Oriented Computing '92--,
    Lecturenote/Software Series, Vol. 4, pp. 131-147, Kindai Kagaku-sya, Kobe, Japan, March 1992
    (In Japanese)


tajima@i.kyoto-u.ac.jp / Fax: +81(Japan) 75-753-5978 / Office: Research Bldg. #7, room 404