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Ranking Sentences for Extractive Summarization with Reinforcement Learning

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arxiv 1802.08636 v2 pith:OYOWTRBN submitted 2018-02-23 cs.CL

Ranking Sentences for Extractive Summarization with Reinforcement Learning

classification cs.CL
keywords summarizationextractivealgorithmdocumentlearningrankingreinforcementtask
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Single document summarization is the task of producing a shorter version of a document while preserving its principal information content. In this paper we conceptualize extractive summarization as a sentence ranking task and propose a novel training algorithm which globally optimizes the ROUGE evaluation metric through a reinforcement learning objective. We use our algorithm to train a neural summarization model on the CNN and DailyMail datasets and demonstrate experimentally that it outperforms state-of-the-art extractive and abstractive systems when evaluated automatically and by humans.

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  1. Ranking sentences from product description & bullets for better search

    cs.IR 2019-07 unverdicted novelty 4.0

    Two RL-based extractive summarization models rank sentences from product fields by leveraging titles and click-through logs to improve search relevance.