@InProceedings{chiu-huang:2009:SRW, author = {Chiu, Justin Liang-Te and Huang, Jyun-Wei}, title = {Optimizing Language Model Information Retrieval System with Expectation Maximization Algorithm}, booktitle = {Proceedings of the ACL-IJCNLP 2009 Student Research Workshop}, month = {August}, year = {2009}, address = {Suntec, Singapore}, publisher = {Association for Computational Linguistics}, pages = {63--71}, url = {http://www.aclweb.org/anthology/P/P09/P09-3008} }