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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, March 2010 (IEEE Xplore, IEEE CS DL)

只石正輝, 森嶋厚行, 田島敬史,

「効率のよい子供／子孫問合せ処理のためのグラフデータ格納手法の提案」

日本データベース学会論文誌, Vol. 7, No. 3,
pp. 55-60, December 2008

full text (DBSJ web site)

Keishi Tajima

石川憲一, 森嶋厚行, 田島敬史,

「大規模ドキュメント空間統合管理システムの提案」

日本データベース学会 Letters, Vol. 5, No. 2, pp. 89-92, September 2006

full text (DBSJ web site)

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)

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, October 2005 (ACM DL)

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, August 2004 (VLDB Archive)

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)

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, June 2002 (ACM DL)

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, October 2001 (IEEE Xplore)

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)

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)

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, September 2000 (Springer Link)

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)

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, May 2000 (Springer Link)