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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, August 2007

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, April 2007 (IEEE Xplore, IEEE CS DL)

Keishi Tajima

Keishi Tajima

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, September 2006

野田 武史, 大島 裕明, 小山 聡, 田島 敬史, 田中 克己,

「主題語からの話題語自動抽出とこれに基づくWeb情報検索」

日本データベース学会 Letters, Vol. 5, No. 2, pp. 69-72, September 2006

田 馳, 手塚 太郎, 小山 聡, 田島 敬史, 田中 克己,

「質問キーワードの近接性と密度分布に基づくウェブ検索の改善手法」

日本データベース学会 Letters, Vol. 5, No. 1, pp. 113-116, June 2006

張 一萌, 何 書勉, 小山 聡, 田島 敬史, 田中 克己,

「時系列データに意味的に関連するニューストピックの発見」

日本データベース学会 Letters, Vol. 5, No. 1, pp. 133-136, June 2006

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, April 2006 (IEEE Xplore, IEEE CS DL)

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, April 2006 (IEEE Xplore, IEEE CS DL)

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, November 1999 (IEEE Xplore, IEEE CS DL)

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, August 1999

Yoshiaki Mizuuchi, Keishi Tajima,

Finding Context Paths for Web Pages

Proc. of 10th ACM Conference on Hypertext and Hypermedia,
pp. 13-22, ACM Press, February 1999 (ACM DL)

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, June 1998 (ACM DL)