@InProceedings{nanba-takezawa:2009:NLPIR4DL, author = {Nanba, Hidetsugu and Takezawa, Toshiyuki}, title = {Classification of Research Papers into a Patent Classification System Using Two Translation Models}, booktitle = {Proceedings of the 2009 Workshop on Text and Citation Analysis for Scholarly Digital Libraries}, month = {August}, year = {2009}, address = {Suntec City, Singapore}, publisher = {Association for Computational Linguistics}, pages = {27--35}, url = {http://www.aclweb.org/anthology/W/W09/W09-3604} }