2017

Graph-based Neural Multi-Document Summarization

Yasunaga, Michihiro, Zhang, Rui, Meelu, Kshitijh et al.

Understand

We propose a neural multi-document summarization (MDS) system that incorporates sentence relation graphs.

  • We employ a Graph Convolutional Network (GCN) on the relation graphs, with sentence embeddings obtained from Recurrent Neural Networks as input node features.
  • Through multiple layer-wise propagation, the GCN generates high-level hidden sentence features for salience estimation.
  • We then use a greedy heuristic to extract salient sentences while avoiding redundancy.

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