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Abstract: Inspired by how humans summarize long documents, we propose an accurate and fast summarization model that first selects salient sentences and then rewrites them abstractively (i.e., compresses and paraphrases) to generate a concise overall summary. We use a novel sentence-level policy gradient method to bridge the non-differentiable computation between these two neural networks in a hierarchical way, while maintaining language fluency. Empirically, we achieve the new state-of-the-art on all metrics (including human evaluation) on the CNN/Daily Mail dataset, as well as significantly higher abstractiveness scores. Moreover, by first operating at the sentence-level and then the word-level, we enable parallel decoding of our neural generative model that results in substantially faster (10-20x) inference speed as well as 4x faster training convergence than previous long-paragraph encoder-decoder models. We also demonstrate the generalization of our model on the test-only DUC-2002 dataset, where we achieve higher scores than a state-of-the-art model.
Comments: ACL 2018 (17 pages)
Shirt Pink Arrow Lt Mens BG8Dqh Subjects: Computation and Language (cs.CL) ; Artificial Intelligence (cs.AI); Machine Learning (cs.LG)
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Submission history

From: Yen-Chun Chen [ Solly Blended Jeans Allen Blue Slim 1ywsL2HN
]
[v1] Mon, 28 May 2018 17:49:10 GMT (552kb,D)

Description

Formal Arrow Full Sleeves SemiCutaway Shirt in Lt. Pink Color
Brand
Arrow
Product Code
APPARROW-MENS-LCORA436627EE52C468
Color
Pink
Size
39
Material
Cotton
Occasion
Formal
Neck Type
Classic Collar
Gender
Men
Wash Care
Hand Wash
Style Code
ASTF0819