End-to-End Entity Resolution and Question Answering Using Differentiable Knowledge Graphs (2021.emnlp-main)
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| Challenge: | End-to-end (E2E) trained models for question answering over knowledge graphs (KGQA) are effective, but training a weakly supervised dataset is difficult. |
| Approach: | They extend the boundaries of E2E learning for KGQA to include the training of an ER component. |
| Outcome: | The proposed model is fully differentiable thanks to a recent method for building differentiably KGs. |
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| Challenge: | Existing models that handle single-entity questions have focused on relation following . introducing intersection improves performance on multiple-entities questions by over 14% . |
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| Challenge: | Existing models that use incomplete knowledge bases and text data to answer open-domain questions are insufficient to cover full evidence. |
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UNIFIEDQA: Crossing Format Boundaries with a Single QA System (2020.findings-emnlp)
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Daniel Khashabi, Sewon Min, Tushar Khot, Ashish Sabharwal, Oyvind Tafjord, Peter Clark, Hannaneh Hajishirzi
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| Challenge: | Recent advances in open-domain question answering have demonstrated impressive accuracy on general-purpose domains like Wikipedia. |
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Sequence-to-Sequence Knowledge Graph Completion and Question Answering (2022.acl-long)
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| Challenge: | Knowledge graph embedding (KGE) models represent each entity and relation of a knowledge graph (KG) with low-dimensional embeddable vectors. |
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