Yasushi Ogawa

28 papers A* 14B 1C 1Journal 3Unranked 9
YearRankTypeTitle / Venue / Authors
2005 A* conf
TRMeister: A DBMS with High-Performance Full-Text Search Functions.
ICDE
Tetsuya Ikeda, Hiroko Mano, Hideo Itoh, Hiroshi Takegawa, Takuya Hiraoka, Shiroh Horibe, Yasushi Ogawa
2005 C conf
Zooming Cross-Media: A Zooming Description Language Coding LOD Control and Media Transition.
DEXA
Tadashi Araki, Hisashi Miyamori, Mitsuru Minakuchi, Ai Kato, Zoran Stejic, Yasushi Ogawa, Katsumi Tanaka
2003 — conf
Ricoh at CLEF 2003.
CLEF
Yuichi Kojima, Hideo Itoh, Hiroko Mano, Yasushi Ogawa
2003 — conf
Ricoh at CLEF 2003.
CLEF (Working Notes)
Yuichi Kojima, Hideo Itoh, Hiroko Mano, Yasushi Ogawa
2002 J jnl
An efficient document retrieval method using n-gram indexing.
Syst. Comput. Jpn.
Yasushi Ogawa, Toru Matsuda
2002 — conf
Term Distillation for Cross-DB Retrieval.
NTCIR
Hideo Itoh, Hiroko Mano, Yasushi Ogawa
2002 — conf
University of Tokyo/RICOH at NTCIR-3 Web Retrieval Task.
NTCIR
Masashi Toyoda, Masaru Kitsuregawa, Hiroko Mano, Hideo Itoh, Yasushi Ogawa
2001 — conf
RICOH at NTCIR-2.
NTCIR
Yasushi Ogawa, Hiroko Mano
2001 — conf
RICOH at TREC-10: Web Track Ad-hoc Task.
TREC
Hideo Itoh, Hiroko Mano, Yasushi Ogawa
2001 A* conf
Selecting Expansion Terms in Automatic Query Expansion.
SIGIR
Hiroko Mano, Yasushi Ogawa
2000 A* conf
Pseudo-frequency method: an efficient document ranking retrieval method for n-gram indexing.
SIGIR
Yasushi Ogawa
2000 — conf
Structuring and Expanding Queries in the Probabilistic Model.
TREC
Yasushi Ogawa, Hiroko Mano, Masumi Narita, Sakiko Honma
2000 A* conf
The use of phrases from query texts in information retrieval.
SIGIR
Masumi Narita, Yasushi Ogawa
1999 J jnl
BMIR-J2: A Test Collection for Evaluation of Japanese Information Retrieval Systems.
SIGIR Forum
Tetsuya Sakai, Tsuyoshi Kitani, Yasushi Ogawa, Tetsuya Ishikawa, Haruo Kimoto, Ikuo Keshi, Jun Toyoura, Toshikazu Fukushima, Kunio Matsui, Yoshihiro Ueda, Takenobu Tokunaga, Hiroshi Tsuruoka, Hidekazu Nakawatase, Teru Agata, Noriko Kando
1999 — conf
NTCIR Advisor Report.
NTCIR
Yasushi Ogawa
1999 J jnl
Overlapping statistical segmentation for effective indexing of Japanese text.
Inf. Process. Manag.
Yasushi Ogawa, Toru Matsuda
1999 — conf
Structuring and expanding queries in the probabilistic model.
TREC
Yasushi Ogawa, Hiroko Mano, Masumi Narita, Sakiko Honma
1998 A* conf
Lessons from BMIR-J2: A Test Collection for Japanese IR Systems.
SIGIR
Tsuyoshi Kitani, Yasushi Ogawa, Tetsuya Ishikawa, Haruo Kimoto, Ikuo Keshi, Jun Toyoura, Toshikazu Fukushima, Kunio Matsui, Yoshihiro Ueda, Tetsuya Sakai, Takenobu Tokunaga, Hiroshi Tsuruoka, Hidekazu Nakawatase, Teru Agata
1998 A* conf
Optimizing Query Evaluation in n-gram Indexing.
SIGIR
Yasushi Ogawa, Toru Matsuda
1996 A* conf
Effective & Efficient Document Ranking without using a Large Lexicon.
VLDB
Yasushi Ogawa
1995 A* conf
A New Character-based Indexing Organization using Frequency Data for Japanese Documents.
SIGIR
Yasushi Ogawa, Masajiro Iwasaki
1993 B conf
A New Indexing and Text Ranking Method for Japanese Text Databases Using Simple-Word Compounds as Keywords.
DASFAA
Yasushi Ogawa, Ayako Bessho, Masajiro Iwasaki, Mina Nishimura, Masako Hirose
1993 A* conf
Simple Word Strings as Compound Keywords: An Indexing and Ranking Method for Japanese Texts.
SIGIR
Yasushi Ogawa, Ayako Bessho, Masako Hirose
1991 A* conf
Timing- and Constraint-Oriented Placement for Interconnected LSIs in Mainframe Design.
DAC
Yasushi Ogawa, Tsutomu Itoh, Yoshio Miki, Tatsuki Ishii, Yasuo Sato, Reiji Toyoshima
1990 A* conf
Bucket Spreading Parallel Hash: A New, Robust, Parallel Hash Join Method for Data Skew in the Super Database Computer (SDC).
VLDB
Masaru Kitsuregawa, Yasushi Ogawa
1988 A* conf
Automatic Layout Procedures for Serial Routing Devices.
DAC
Yasushi Ogawa, Hidekazu Terai, Tokinori Kozawa
1986 A* conf
Efficient placement algorithms optimizing delay for high-speed ECL masterslice LSIs.
DAC
Yasushi Ogawa, Tatsuki Ishii, Yoichi Shiraishi, Hidekazu Terai, Tokinori Kozawa, Kyoji Yuyama, Kyoji Chiba
1983 A* conf
Automatic placement algorithms for high packing density V L S I.
DAC
Tokinori Kozawa, Hidekazu Terai, Tatsuki Ishii, Michiyoshi Hayase, Chihei Miura, Yasushi Ogawa, Kuniaki Kishida, Norio Yamada, Yasuhiro Ohno