Risa Nishiyama  Risa Nishiyama photo       

contact information

Staff Researcher
IBM Research - Tokyo

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2010

Modeling Patent Quality: A System for Large-scale Patentability Analysis using Text Mining
Shohei Hido, Shoko Suzuki, Risa Nishiyama, Takashi Imamichi, Rikiya Takahashi, Tetsuya Nasukawa, \bf Tsuyoshi Id\'e, Yusuke Kanehira, Rinju Yohda, Takeshi Ueno, Akira Tajima, Toshiya Watanabe
Journal of Information Processing20, 667-671, 2010

Feature-Rich Information Extraction for the Technical Trend-Map Creation
Risa Nishiyama, Yuta Tsuboi, Yuya Unno, Hironori Takeuchi
Proceedings of the 8th NTCIR Workshop Meeting, pp. 318--324, 2010


2009

Technology Survey Assistance Tool Focusing on Their Advantages
Risa Nishiyama, Hironori Takeuchi, Hideo Watanabe, Tetsuya Nasukawa
Transactions of the Japanese Society for Artificial Intelligence24, 541--548, 2009


2008

Extracting Advantage Phrases That Hint at a New Technology’s Potentials
Risa Nishiyama, Hironori Takeuchi, Tetsuya Nasukawa, Hideo Watanabe
Practical Aspects of Knowledge Management, pp. 98--110, Springer, 2008


2007

Towards future technology projection: A method for extracting capability phrases from documents
Risa Nishiyama, Hironori Takeuchi, Hideo Watanabe
Discovery Science, pp. 270--274, 2007

Innovation-Jam: Analysis of online discussion records using text mining technology
Akiko Murakami, Tetsuya Nasukawa, Fusashi Nakamura, Hironori Takeuchi, Risa Nishiyama, Pnina Veisberg, Hideo Watanabe
International Workshop on Intercultual Collaboration 2007 (IWIC2007)