@InProceedings{tatsukawa:2012:SRW, author = {Tatsukawa, Kayo}, title = {Topic Extraction based on Prior Knowledge obtained from Target Documents}, booktitle = {Proceedings of ACL 2012 Student Research Workshop}, month = {July}, year = {2012}, address = {Jeju Island, Korea}, publisher = {Association for Computational Linguistics}, pages = {31--36}, url = {http://www.aclweb.org/anthology/W12-3306} }