Tomonari Masada

2012

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Extraction of topic evolutions from references in scientific articles and its GPU acceleration.
Tomonari Masada|Atsuhiro Takasu
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

2009

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Dynamic hyperparameter optimization for bayesian topical trend analysis.
Tomonari Masada|Daiji Fukagawa|Atsuhiro Takasu|Tsuyoshi Hamada|Yuichiro Shibata|Kiyoshi Oguri
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

2007

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Query Refinement based on Topical Term Clustering.
Hiromi Wakaki|Tomonari Masada|Atsuhiro Takasu|Jun Adachi
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2007, 8th International Conference, Carnegie Mellon University, Pittsburgh, PA, USA, May 30 - June 1, 2007. Proceedings, CD-ROM

2005

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Improving Web Search by Query Expansion with a Small Number of Terms.
Tomonari Masada|Teruhito Kanazawa|Atsuhiro Takasu|Jun Adachi
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

2004

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R2D2 at NTCIR-4 Web Retrieval Task.
Teruhito Kanazawa|Tomonari Masada|Atsuhiro Takasu|Jun Adachi
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