2016

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NUTKS at NTCIR-12 MobileClick2: iUnit Ranking Subtask Using Topic Model
Tatsunori Yoshioka | Takashi Yukawa
Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016

2013

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Query Classification System Based on Snippet Summary Similarities for NTCIR-10 1CLICK-2 Task
Tatsuya Tojima | Takashi Yukawa
Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-10, National Center of Sciences, Tokyo, Japan, June 18-21, 2013

2011

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Using Concept base and Wikipedia for Cross-Lingual Link Discovery
Pham Huy Anh | Takashi Yukawa
Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-9, National Center of Sciences, Tokyo, Japan, December 6-9, 2011

2010

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Cross language information retrieval based on concept base and language grid
Pham Huy Anh | Takashi Yukawa
Proceedings of the third workshop on Exploiting Semantic Annotations in Information Retrieval, ESAIR 2010, Toronto, Ontario, Canada, October 30, 2010

2008

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An Automated Research Paper Classification Method for the IPC system with the Concept Base
Takanori Shimano | Takashi Yukawa
Proceedings of the 7th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-7, National Center of Sciences, Tokyo, Japan, December 16-19, 2008

2007

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Term Weighting Classification System Using the Chi-square Statistic for the Classification Subtask at NTCIR-6 Patent Retrieval Task
Kotaro Hashimoto | Takashi Yukawa
Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-6, National Center of Sciences, Tokyo, Japan, May 15-18, 2007

2005

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Synthesis of Multiple Answer Evaluation Measures using a Machine Learning Technique for a QA System
Yasuharu Matsuda | Takashi Yukawa
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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Question Answering System Using Concept-Based Vector Space Model
Isrami Ismail | Takashi Yukawa
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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Patent Map Generation Using Concept-Based Vector Space Model
Hideyuki Uchida | Atsushi Mano | Takashi Yukawa
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

2003

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Constructing and Examining Personalized Cooccurrence-based Thesauri on Web Pages
Sen Yoshida | Takashi Yukawa | Kazuhiro Kuwabara
Proceedings of the Twelfth International World Wide Web Conference - Posters, WWW 2003, Budapest, Hungary, May 20-24, 2003

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