@InProceedings{ngo-cao:2011:IJCNLP-2011, author = {Ngo, Vuong M. and Cao, Tru H.}, title = {Discovering Latent Concepts and Exploiting Ontological Features for Semantic Text Search}, booktitle = {Proceedings of 5th International Joint Conference on Natural Language Processing}, month = {November}, year = {2011}, address = {Chiang Mai, Thailand}, publisher = {Asian Federation of Natural Language Processing}, pages = {571--579}, url = {http://www.aclweb.org/anthology/I11-1064} }