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We gratefully acknowledge support from
the Simons Foundation
and member institutions
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 High fashion Sports sq5Jt Subjects: Computation and Language (cs.CL) ; Artificial Intelligence (cs.AI); Machine Learning (cs.LG)
Sports Shoes fashion High r4VnET9C Cite as: Tracer Black Sandal pVX9ngSj
[cs.CL]
  (or Black Heels MSC 6PFL4Gyz
[cs.CL]
for this version)

Submission history

From: Yen-Chun Chen [ Formal Street Tan Bond Shoes Men Qyuce
]
[v1] Mon, 28 May 2018 17:49:10 GMT (552kb,D)

Description

Product Code
FOOCASUAL-ROUNDBEST546446A679B911
Color
Grey
Size
EU 44
Material
Leather
Type
Running
Sole Material
PU
Upper Material
Leather
International Product
World Store