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Extracting Summary Knowledge Graphs from Long Documents

2020-09-19 04:37:33
Zeqiu Wu, Rik Koncel-Kedziorski, Mari Ostendorf, Hannaneh Hajishirzi
arXiv_CL
             
Abstract

Knowledge graphs capture entities and relations from long documents and can facilitate reasoning in many downstream applications. Extracting compact knowledge graphs containing only salient entities and relations is important but challenging for understanding and summarizing long documents. We introduce a new text-to-graph task of predicting summarized knowledge graphs from long documents. We develop a dataset of 200k document/graph pairs using automatic and human annotations. We also develop strong baselines for this task based on graph learning and text summarization, and provide quantitative and qualitative studies of their effect.

Abstract (translated)

URL

https://arxiv.org/abs/2009.09162

PDF

https://arxiv.org/pdf/2009.09162.pdf

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