2009

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Comparative study on methods of detecting research fronts using different types of citation
Naoki Shibata | Yuya Kajikawa | Yoshiyuki Takeda | Katsumori Matsushima
2009 Volume 60 Issue 3

2002

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Deciding Indexing Strings with Statistical Analysis
Yoshiyuki Takeda | Kyoji Umemura | Eiko Yamamoto
Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering, NTCIR-3, Tokyo, Japan, October 8-10, 2002

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Selecting indexing strings using adaptation
Yoshiyuki Takeda | Kyoji Umemura
SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland

2001

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Empirical Term Weighting
Kyoji Umemura | Yoshiyuki Takeda | Michiko Tanaka | Li Feng | Eiko Yamamoto
Proceedings of the Third Second Workshop Meeting on Evaluation of Chinese & Japanese Text Retrieval and Text Summarization, NTCIR-2, Tokyo, Japan, March 7-9, 2001

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