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CHIME : Cross-passage hierarchical memory network for generative review question answering
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Lu, Junru, Pergola, Gabriele, Gui, Lin, Li, Binyang and He, Yulan (2020) CHIME : Cross-passage hierarchical memory network for generative review question answering. In: The 28th International Conference on Computational Linguistics, Virtual conference, 8-13 Dec 2020. Published in: Proceedings of the 28th International Conference on Computational Linguistics pp. 2547-2560. doi:10.18653/v1/2020.coling-main.229
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Official URL: https://doi.org/10.18653/v1/2020.coling-main.229
Abstract
We introduce CHIME, a cross-passage hierarchical memory network for question answering (QA) via text generation. It extends XLNet introducing an auxiliary memory module consisting of two components: the context memory collecting cross-passage evidences, and the answer memory working as a buffer continually refining the generated answers. Empirically, we show the efficacy of the proposed architecture in the multi-passage generative QA, outperforming the state-of-the-art baselines with better syntactically well-formed answers and increased precision in addressing the questions of the AmazonQA review dataset. An additional qualitative analysis revealed the interpretability introduced by the memory module.
Item Type: | Conference Item (Paper) | |||||||||||||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software | |||||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | |||||||||||||||
Library of Congress Subject Headings (LCSH): | Neural networks (Computer science), Natural language processing (Computer science), Computational linguistics, Data mining | |||||||||||||||
Journal or Publication Title: | Proceedings of the 28th International Conference on Computational Linguistics | |||||||||||||||
Publisher: | International Committee on Computational Linguistics | |||||||||||||||
Official Date: | 30 September 2020 | |||||||||||||||
Dates: |
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Page Range: | pp. 2547-2560 | |||||||||||||||
DOI: | 10.18653/v1/2020.coling-main.229 | |||||||||||||||
Status: | Peer Reviewed | |||||||||||||||
Publication Status: | Published | |||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||
Date of first compliant deposit: | 2 November 2020 | |||||||||||||||
Date of first compliant Open Access: | 4 November 2020 | |||||||||||||||
RIOXX Funder/Project Grant: |
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Conference Paper Type: | Paper | |||||||||||||||
Title of Event: | The 28th International Conference on Computational Linguistics | |||||||||||||||
Type of Event: | Conference | |||||||||||||||
Location of Event: | Virtual conference | |||||||||||||||
Date(s) of Event: | 8-13 Dec 2020 | |||||||||||||||
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