@inproceedings{peng-etal-2017-composite, title = "Composite Task-Completion Dialogue Policy Learning via Hierarchical Deep Reinforcement Learning", author = "Peng, Baolin and Li, Xiujun and Li, Lihong and Gao, Jianfeng and Celikyilmaz, Asli and Lee, Sungjin and Wong, Kam-Fai", editor = "Palmer, Martha and Hwa, Rebecca and Riedel, Sebastian", booktitle = "Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing", month = sep, year = "2017", address = "Copenhagen, Denmark", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest_wac_2008/D17-1237/", doi = "10.18653/v1/D17-1237", pages = "2231--2240" }