Yun-Nung Chen, William Yang Wang, Alexander I. Rudnicky
Proceedings of 2015 Conference of the North American Chapter of the Association for Computational Linguistics – Human Language Technologies (NAACL-HLT 2015) | June 2015
Proceedings of the 24th Annual International World Wide Web Conference (WWW ’15) (This paper revises and extends work in TAIA Workshop at SIGIR 2014 and arXiv:1405.1486.) | May 2015