A Patent Retrieval Method Using a Hierarchy of Clusters at TUT.

@inproceedings{doi-2005-patent, author = {Hironori Doi and Yohei Seki and Masaki Aono}, editor = {Noriko Kando}, title = {{A Patent Retrieval Method Using a Hierarchy of Clusters at TUT}}, booktitle = {{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}}, publisher = {National Institute of Informatics (NII)}, year = {2005}, url = {http://research.nii.ac.jp/ntcir/workshop/OnlineProceedings5/data/PATENT/NTCIR5-PATENT-DoiH.pdf} }