Approximation of Response Knowledge Retrieval in Knowledge-grounded Dialogue Generation Wen Zheng author Natasa Milic-Frayling author Ke Zhou author 2020-11 text Findings of the Association for Computational Linguistics: EMNLP 2020 Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication zheng-etal-2020-approximation 10.18653/v1/2020.findings-emnlp.321 https://aclanthology.org/2020.findings-emnlp.321/ 2020-11 3581 3591