Hironori Doi, Yohei Seki, Masaki Aono. A Patent Retrieval Method Using a Hierarchy of Clusters at TUT. In Noriko Kando, editor, 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. National Institute of Informatics (NII), 2005. [doi]
Abstract is missing.