LAVA: Latent Action Spaces via Variational Auto-encoding for Dialogue Policy Optimization Nurul Lubis author Christian Geishauser author Michael Heck author Hsien-chin Lin author Marco Moresi author Carel van Niekerk author Milica Gasic author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication lubis-etal-2020-lava 10.18653/v1/2020.coling-main.41 https://aclanthology.org/2020.coling-main.41/ 2020-12 465 479