Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28824
Title: A progressive sentence selection strategy for document summarization
Authors: Ouyang, Y
Li, W 
Zhang, R
Li, S
Lu, Q 
Keywords: Asymmetric sentence relationship
Document summarization
Progressive sentence selection
Saliency and coverage
Issue Date: 2013
Publisher: Pergamon Press
Source: Information processing and management, 2013, v. 49, no. 1, p. 213-221 How to cite?
Journal: Information processing and management 
Abstract: Saliency and coverage are two of the most important issues in document summarization. In most summarization methods, the saliency issue is usually of top priority. Many studies are conducted to develop better sentence ranking methods to identify the salient sentences for summarization. It is also well acknowledged that sentence selection strategies are very important, which mainly aim at reducing the redundancy among the selected sentences to enable them to cover more concepts. In this paper, we propose a novel sentence selection strategy that follows a progressive way to select the summary sentences. We intend to ensure the coverage of the summary first by an intuitive idea, i.e.; considering the uncovered concepts only when measuring the saliency of the sentences. Moreover, we consider the subsuming relationship between sentences to define a conditional saliency measure of the sentences instead of the general saliency measures used in most existing methods. Based on these ideas, a progressive sentence selection strategy is developed to discover the "novel and salient" sentences. Compared with traditional methods, the saliency and coverage issues are more integrated in the proposed method. Experimental studies conducted on the DUC data sets demonstrate the advantages of the progressive sentence selection strategy.
URI: http://hdl.handle.net/10397/28824
ISSN: 0306-4573
DOI: 10.1016/j.ipm.2012.05.002
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