@inproceedings{approximationofresponseknowledgeretrieva, title = {Approximation of Response Knowledge Retrieval in Knowledge-grounded Dialogue Generation}, author = {Wen Zheng and Natasa Milic-Frayling and Ke Zhou}, year = {2020}, booktitle = {Findings of the Association for Computational Linguistics 2020}, url = {https://aclanthology.org/2020.findings-emnlp.321}, }