Cost-Sensitive Active Learning for Dialogue State Tracking Kaige Xie author Cheng Chang author Liliang Ren author Lu Chen author Kai Yu author 2018-07 text Proceedings of the 19th Annual SIGdial Meeting on Discourse and Dialogue Kazunori Komatani editor Diane Litman editor Kai Yu editor Alex Papangelis editor Lawrence Cavedon editor Mikio Nakano editor Association for Computational Linguistics Melbourne, Australia conference publication xie-etal-2018-cost 10.18653/v1/W18-5022 https://aclanthology.org/W18-5022/ 2018-07 209 213