@inproceedings{vath-vu-2019-combine, title = "To Combine or Not To Combine? A Rainbow Deep Reinforcement Learning Agent for Dialog Policies", author = {V{\"a}th, Dirk and Vu, Ngoc Thang}, editor = "Nakamura, Satoshi and Gasic, Milica and Zukerman, Ingrid and Skantze, Gabriel and Nakano, Mikio and Papangelis, Alexandros and Ultes, Stefan and Yoshino, Koichiro", booktitle = "Proceedings of the 20th Annual SIGdial Meeting on Discourse and Dialogue", month = sep, year = "2019", address = "Stockholm, Sweden", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/W19-5908/", doi = "10.18653/v1/W19-5908", pages = "62--67" }