No description available of Yasushi Ogawa...
Mano, Hiroko and Ogawa, Yasushi (2001): Selecting expansion terms in automatic query expansion. In: Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 2001. pp. 390-391. Available online
Narita, Masumi and Ogawa, Yasushi (2000): The Use of Phrases from Query Texts in Information Retrieval. In: Proceedings of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 2000. pp. 318-320. Available online
Ogawa, Yasushi (2000): Pseudo-Frequency Method: An Efficient Document Ranking Retrieval Method for n-Gram Indexing. In: Proceedings of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 2000. pp. 321-323. Available online
Kitani, Tsuyoshi, Ogawa, Yasushi, Ishikawa, Tetsuya, Kimoto, Haruo, Keshi, Ikuo, Toyoura, Jun, Fukushima, Toshikazu, Matsui, Kunio, Ueda, Yoshihiro, Sakai, Tetsuya, Tokunaga, Takenobu and Tsuruoka, Hiroshi (1998): Lessons from BMIR-J2: A Test Collection for Japanese IR Systems. In: Proceedings of the 21st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 1998. pp. 345-346. Available online
Ogawa, Yasushi and Matsuda, Toru (1998): Optimizing Query Evaluation in n-Gram Indexing. In: Proceedings of the 21st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 1998. pp. 367-368. Available online
Ogawa, Yasushi and Matsuda, Toru (1997): Overlapping Statistical Word Indexing: A New Indexing Method for Japanese Text. In: Proceedings of the 20th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 1997. pp. 226-234. Available online
Ogawa, Yasushi and Masajirou, Iwasaki (1995): A New Character-Based Indexing Method using Frequency Data for Japanese Documents. In: Proceedings of the Eighteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 1995. pp. 121-129. Available online
Ogawa, Yasushi, Bessho, Akako and Hirose, Masako (1993): Simple Word Strings as Compound Keywords: An Indexing and Ranking Method for Japanese Texts. In: Proceedings of the Sixteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 1993. pp. 227-236. Available online
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