Papers with Determinantal point processes
Diverse Multi-Answer Retrieval with Determinantal Point Processes (2022.coling-1)
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| Challenge: | Existing open domain question answering systems provide a single answer to ambiguous questions. |
| Approach: | They propose a re-ranking approach that takes query-passage relevance and passage-passance correlation into account to retrieve passages that are query-relevant and diverse. |
| Outcome: | The proposed method outperforms state-of-the-art on the AmbigQA dataset. |