Comparing the Utility of State Features in Spoken Dialogue Using Reinforcement Learning Joel Tetreault author Diane Litman author 2006-06 text Proceedings of the Human Language Technology Conference of the NAACL, Main Conference Robert C Moore editor Jeff Bilmes editor Jennifer Chu-Carroll editor Mark Sanderson editor Association for Computational Linguistics New York City, USA conference publication tetreault-litman-2006-comparing https://aclanthology.org/N06-1035/ 2006-06 272 279