@InProceedings{liang-wu-chen:2011:ACL-HLT2011, author = {Liang, Wei-Bin and Wu, Chung-Hsien and Chen, Chia-Ping}, title = {Semantic Information and Derivation Rules for Robust Dialogue Act Detection in a Spoken Dialogue System}, booktitle = {Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies}, month = {June}, year = {2011}, address = {Portland, Oregon, USA}, publisher = {Association for Computational Linguistics}, pages = {603--608}, url = {http://www.aclweb.org/anthology/P11-2106} }