Papers with single-hop QA
Modeling Multi-hop Question Answering as Single Sequence Prediction (2022.acl-long)
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| Challenge: | Existing generative question answering models that leverage passage retrieval with a pre-trained transformer are not effective for multihop QA. |
| Approach: | They propose a generative approach that explicitly models the reasoning process to resolve the answer for multi-hop questions by encoding cross-passage interactions. |
| Outcome: | The proposed model improves on two multi-hop QA datasets and is interpretable. |