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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)
Shoes Asian 01 Sport Bravo Cblkred 6bnAg Subjects: Computation and Language (cs.CL) ; Artificial Intelligence (cs.AI); Machine Learning (cs.LG)
Shoes Bravo 01 Asian Cblkred Sport Ht5Dkx9ony Cite as: arXiv:1805.11080 [cs.CL]
  (or arXiv:1805.11080v1 [cs.CL] for this version)

Submission history

From: Yen-Chun Chen [ Heels Black Heusen Van 9fUjzyurZZ
]
[v1] Mon, 28 May 2018 17:49:10 GMT (552kb,D)

Product Details

Brand
Asian
Product Code
FOOBRAVO-01-CBLASIA44742AE3A4EA7
Color
Black
Size
UK 7
Material
Mesh
Type
Running
Sole Material
Eva
Upper Material
Mesh
Set Contents
1