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KATSum: Knowledge-aware Abstractive Text Summarization

2022-12-06 23:43:50
Guan Wang, Weihua Li, Edmund Lai, Jianhua Jiang
arXiv_AI
           
Abstract

Text Summarization is recognised as one of the NLP downstream tasks and it has been extensively investigated in recent years. It can assist people with perceiving the information rapidly from the Internet, including news articles, social posts, videos, etc. Most existing research works attempt to develop summarization models to produce a better output. However, advent limitations of most existing models emerge, including unfaithfulness and factual errors. In this paper, we propose a novel model, named as Knowledge-aware Abstractive Text Summarization, which leverages the advantages offered by Knowledge Graph to enhance the standard Seq2Seq model. On top of that, the Knowledge Graph triplets are extracted from the source text and utilised to provide keywords with relational information, producing coherent and factually errorless summaries. We conduct extensive experiments by using real-world data sets. The results reveal that the proposed framework can effectively utilise the information from Knowledge Graph and significantly reduce the factual errors in the summary.

Abstract (translated)

URL

https://arxiv.org/abs/2212.03371

PDF

https://arxiv.org/pdf/2212.03371.pdf

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