A Comparison between Dialog Corpora Acquired with Real and Simulated Users David Griol author Zoraida Callejas author Ramón López-Cózar author 2009-09 text Proceedings of the SIGDIAL 2009 Conference Patrick Healey editor Roberto Pieraccini editor Donna Byron editor Steve Young editor Matthew Purver editor Association for Computational Linguistics London, UK conference publication griol-etal-2009-comparison https://aclanthology.org/W09-3948/ 2009-09 326 332