@inproceedings{lee-eskenazi-2012-unsupervised, title = "An Unsupervised Approach to User Simulation: Toward Self-Improving Dialog Systems", author = "Lee, Sungjin and Eskenazi, Maxine", editor = "Lee, Gary Geunbae and Ginzburg, Jonathan and Gardent, Claire and Stent, Amanda", booktitle = "Proceedings of the 13th Annual Meeting of the Special Interest Group on Discourse and Dialogue", month = jul, year = "2012", address = "Seoul, South Korea", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/W12-1606/", pages = "50--59" }