Keizo Oyama


1998

doi dblp
Phrase Processing Methods for Japanese Text Retrieval
Noriko Kando | Kyo Kageura | Masaharu Yoshioka | Keizo Oyama
1998 Volume 32 Issue 2

2002

doi dblp
The web retrieval task and its evaluation in the third NTCIR workshop
Koji Eguchi | Keizo Oyama | Emi Ishida | Kazuko Kuriyama | Noriko Kando
SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland

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Overview of the Web Retrieval Task at the Third NTCIR Workshop
Koji Eguchi | Keizo Oyama | Emi Ishida | Noriko Kando | Kazuko Kuriyama
Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering, NTCIR-3, Tokyo, Japan, October 8-10, 2002

2003

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System Evaluation Methods for Web Retrieval Tasks Considering Hyperlink Structure
Koji Eguchi | Keizo Oyama | Emi Ishida | Noriko Kando | Kazuko Kuriyama
Proceedings of the Twelfth International World Wide Web Conference - Posters, WWW 2003, Budapest, Hungary, May 20-24, 2003

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Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering, NTCIR-3, Tokyo, Japan, October 8-10, 2002

Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering, NTCIR-3, Tokyo, Japan, October 8-10, 2002

2004

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Overview of WEB Task at the Fourth NTCIR Workshop
Keizo Oyama | Akiko Aizawa | Haruko Ishikawa
Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, Question Answering and Summarization, NTCIR-4, National Center of Sciences, Tokyo, Japan, June 2-4, 2004

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Overview of the Informational Retrieval Task at NTCIR-4 WEB
Koji Eguchi | Keizo Oyama | Akiko Aizawa | Haruko Ishikawa
Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, Question Answering and Summarization, NTCIR-4, National Center of Sciences, Tokyo, Japan, June 2-4, 2004

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Overview of the NTCIR-4 WEB Navigational Retrieval Task 1
Keizo Oyama | Koji Eguchi | Haruko Ishikawa | Akiko Aizawa
Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, Question Answering and Summarization, NTCIR-4, National Center of Sciences, Tokyo, Japan, June 2-4, 2004

doi dblp
An evaluation of the Web retrieval task at the third NTCIR workshop
Koji Eguchi | Keizo Oyama | Emi Ishida | Noriko Kando | Kazuko Kuriyama
2004 Volume 38 Issue 1

2005

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Overview of the NTCIR-5 WEB Navigational Retrieval Subtask 2 (Navi-2)
Keizo Oyama | Masao Takaku | Haruko Ishikawa | Akiko Aizawa | Hayato Yamana
Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-5, National Center of Sciences, Tokyo, Japan, December 6-9, 2005

2006

doi dblp
An Analysis on Topic Features and Difficulties Based on Web Navigational Retrieval Experiments
Masao Takaku | Keizo Oyama | Akiko N. Aizawa
Information Retrieval Technology, Third Asia Information Retrieval Symposium, AIRS 2006, Singapore, October 16-18, 2006, Proceedings

2011

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Efficient Top-k Document Retrieval Using a Term-Document Binary Matrix
Etsuro Fujita | Keizo Oyama
Information Retrieval Technology - 7th Asia Information Retrieval Societies Conference, AIRS 2011, Dubai, United Arab Emirates, December 18-20, 2011. Proceedings

2015

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Towards Serving "Delicious" Information within Its Freshness Date
Hao Han | Takashi Nakayama | Junxia Guo | Keizo Oyama
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume