Retrieve and Refine: Improved Sequence Generation Models For Dialogue Jason Weston author Emily Dinan author Alexander Miller author 2018-10 text Proceedings of the 2018 EMNLP Workshop SCAI: The 2nd International Workshop on Search-Oriented Conversational AI Aleksandr Chuklin editor Jeff Dalton editor Julia Kiseleva editor Alexey Borisov editor Mikhail Burtsev editor Association for Computational Linguistics Brussels, Belgium conference publication weston-etal-2018-retrieve 10.18653/v1/W18-5713 https://aclanthology.org/W18-5713/ 2018-10 87 92