@inproceedings{Kishida:2003:PATENT, author = {Kishida, Kazuaki}, title = {Pseudo Relevance Feedback Method based on Taylor Expansion of Retrieval Function in {NTCIR-3} Patent Retrieval Task}, booktitle = {Proceedings of the ACL-2003 Workshop on Patent Corpus Processing}, editor = {Makoto Iwayama and Atsushi Fujii}, url = {http://www.aclweb.org/anthology/W03-2004.pdf}, year = 2003, pages = {33--40} }