Update README.md

README.md

@@ -4,4 +4,4 @@ language:
 - en
 pipeline_tag: conversational
 ---
-This is a repo of the models of [Multi-Grained Knowledge Retrieval for End-to-End Task-Oriented Dialog](), a paper in **ACL 2023**. For more details about the models, please refer to our [github repo](https://github.com/18907305772/MAKER).
+This is a repo of the models of [Multi-Grained Knowledge Retrieval for End-to-End Task-Oriented Dialog](https://arxiv.org/abs/2305.10149), a paper in **ACL 2023**. For more details about the models, please refer to our [github repo](https://github.com/18907305772/MAKER).