Yasushi Ogawa

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Publication Statistics

Publication period start
1993
Publication period end
2001
Number of co-authors
17

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Productive Colleagues
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Publications

Mano, Hiroko, 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. http://doi.acm.org/10.1145/383952.384032

Narita, Masumi, 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. http://www.acm.org/pubs/articles/proceedings/ir/345508/p318-narita/p318-narita.pdf

Ogawa, Yasushi (2000): Pseudo-Frequency Method: An Efficient Document Ranking Retrieval Method for n-Gram Indexin. In: Proceedings of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval , 2000, . pp. 321-323. http://www.acm.org/pubs/articles/proceedings/ir/345508/p321-ogawa/p321-ogawa.pdf

Kitani, Tsuyoshi, Ogawa, Yasushi, Ishikawa, Tetsuya, Kimoto, Haruo, Keshi, Ikuo, Toyoura, Jun, Fukushima, Toshikazu, Matsui, Kunio, Ueda, Yoshihiro, Sakai, Tetsuya, Tokunaga, Takenobu, 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. http://www.acm.org/pubs/articles/proceedings/ir/290941/p345-kitani/p345-kitani.pdf

Ogawa, Yasushi, 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. http://www.acm.org/pubs/articles/proceedings/ir/290941/p367-ogawa/p367-ogawa.pdf

Ogawa, Yasushi, 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. http://www.acm.org/pubs/articles/proceedings/ir/258525/p226-ogawa/p226-ogawa.pdf

Ogawa, Yasushi, 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. http://www.acm.org/pubs/articles/proceedings/ir/215206/p121-yasushi/p121-yasushi.pdf

Ogawa, Yasushi, Bessho, Akako, Hirose, Masako (1993): Simple Word Strings as Compound Keywords: An Indexing and Ranking Method for Japanese Text. In: Proceedings of the Sixteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval , 1993, . pp. 227-236. http://www.acm.org/pubs/articles/proceedings/ir/160688/p227-ogawa/p227-ogawa.pdf