@article{li06learningquestion, title = {Learning Question Classifiers: The Role of Semantic Information}, address = {New York, NY, USA}, author = {Xin Li and Dan Roth}, journal = {Natural Language Engineering}, number = {3}, pages = {229--249}, publisher = {Cambridge University Press}, url = {http://dx.doi.org/10.1017/S1351324905003955}, volume = {12}, year = {2006}, biburl = {http://www.bibsonomy.org/bibtex/23d9ec8eae81ccae2f5ca80fde82891c7/sb3000}, description = {Learning question classifiers: the role of semantic information}, keywords = {qc } }