Don't Give Me the Details, Just the Summary! Topic-Aware Convolutional Neural Networks for Extreme Summarization
Authors: Shashi Narayan, Shay B. Cohen, Mirella Lapata
AI-generated Key Points
- Extreme summarization is a new single-document summarization task
- It requires an abstractive modeling approach
- The goal is to generate a concise one-sentence summary that answers the question "What is the article about?"
- The authors gathered a large-scale dataset of online articles from the BBC
- They propose a novel abstractive model based on convolutional neural networks and conditioned on the article's topics
- Their architecture effectively captures long-range dependencies in documents and identifies relevant content
- Their model outperforms both an oracle extractive system and state-of-the-art abstractive approaches when evaluated by automated metrics and human judges
Abstract: We introduce extreme summarization, a new single-document summarization task which does not favor extractive strategies and calls for an abstractive modeling approach. The idea is to create a short, one-sentence news summary answering the question "What is the article about?". We collect a real-world, large-scale dataset for this task by harvesting online articles from the British Broadcasting Corporation (BBC). We propose a novel abstractive model which is conditioned on the article's topics and based entirely on convolutional neural networks. We demonstrate experimentally that this architecture captures long-range dependencies in a document and recognizes pertinent content, outperforming an oracle extractive system and state-of-the-art abstractive approaches when evaluated automatically and by humans.
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