@InProceedings{yih-EtAl:2013:ACL2013, author = {Yih, Wen-tau and Chang, Ming-Wei and Meek, Christopher and Pastusiak, Andrzej}, title = {Question Answering Using Enhanced Lexical Semantic Models}, booktitle = {Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)}, month = {August}, year = {2013}, address = {Sofia, Bulgaria}, publisher = {Association for Computational Linguistics}, pages = {1744--1753}, url = {http://www.aclweb.org/anthology/P13-1171} }