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Unsupervised aspect-based neural abstractive summarization
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| Maximin Coavoux, Hady Elsahar, Matthias Gallé |
| Workshop on New Frontiers in Summarization at the Empirical Methods in Natural Language Processing (EMNLP) conference, Hong Kong, China, 4 November, 2019 |
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@inproceedings{coavoux2019unsupervised,
title={Unsupervised Aspect-Based Multi-Document Abstractive Summarization},
author={Coavoux, Maximin and Elsahar, Hady and Gall{\'e}, Matthias},
booktitle={Proceedings of the 2nd Workshop on New Frontiers in Summarization},
pages={42--47},
year={2019}
}User-generated reviews of products or services provide valuable information to customers. However, it is often impossible to read each of the potentially thousands of reviews: it would therefore save valuable time to provide short summaries of their contents.
We address opinion summarization, a multi-document summarization task, with an unsupervised abstractive summarization neural system. Our system is based on (i) a language model that is meant to encode reviews to a vector space, and to generate fluent sentences from the same vector space (ii) a clustering step that groups together reviews about the same aspects and allows the system to generate summary sentences focused on these aspects. Our experiments on the Oposum dataset empirically show the importance of the clustering step.
This abstract was first published on the 19th September 2019.
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