@InProceedings{du-tan:2009:NAACLHLT09, author = {Du, Weifu and Tan, Songbo}, title = {An Iterative Reinforcement Approach for Fine-Grained Opinion Mining}, booktitle = {Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics}, month = {June}, year = {2009}, address = {Boulder, Colorado}, publisher = {Association for Computational Linguistics}, pages = {486--493}, url = {http://www.aclweb.org/anthology/N/N09/N09-1055} }