Saying No is An Art: Contextualized Fallback Responses for Unanswerable Dialogue Queries

1 code implementation • ACL 2021 • Ashish Shrivastava, Kaustubh Dhole, Abhinav Bhatt, Sharvani Raghunath

Despite end-to-end neural systems making significant progress in the last decade for task-oriented as well as chit-chat based dialogue systems, most dialogue systems rely on hybrid approaches which use a combination of rule-based, retrieval and generative approaches for generating a set of ranked responses.

Retrieval