Main » NTCIR » 2005 » 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 »

NTCIR-5 Patent Retrieval Experiments at Hitachi

Hisao Mase, Tadataka Matsubayashi, Yuichi Ogawa, Takaaki Yayoi, Yusuke Sato, Makoto Iwayama