@InProceedings{komatani-EtAl:2009:SIGDIAL, author = {Komatani, Kazunori and Ikeda, Satoshi and Fukubayashi, Yuichiro and Ogata, Tetsuya and Okuno, Hiroshi}, title = {Ranking Help Message Candidates Based on Robust Grammar Verification Results and Utterance History in Spoken Dialogue Systems}, booktitle = {Proceedings of the SIGDIAL 2009 Conference}, month = {September}, year = {2009}, address = {London, UK}, publisher = {Association for Computational Linguistics}, pages = {314--321}, url = {http://www.aclweb.org/anthology/W09-3946} }