Knowledge Base Driven Automatic Text Summarization using Multi-objective Optimization

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Automatic Text summarization aims to automatically generate condensed summary from a large set of documents on the same topic. We formulate text summarization task as a multi-objective optimization problem by defining information coverage and diversity as two conflicting objective functions. With this formulation, we propose a novel technique to improve the performance using a knowledge base. The main rationale of the approach is to extract important text features of the original text by detecting important entities in a knowledge base. Next, an improvement on the multi-objective optimization algorithm is also proposed for the automatic text summarization problem. The focus is on improving efficiency of the each steps in the evolutionary multi-objective optimization process which is applicable to all tasks with the same problem formulation. The result summary of the suggested method ensure the maximum coverage of the original documents and the diversity of the sentences in the summary among each other. The experiments on DUC2002 and DUC2004 multi-document summarization task dataset shows that the proposed model is effective compared to other methods.
Publisher
SCIENCE & INFORMATION SAI ORGANIZATION LTD
Issue Date
2021-08
Language
English
Article Type
Article
Citation

INTERNATIONAL JOURNAL OF ADVANCED COMPUTER SCIENCE AND APPLICATIONS, v.12, no.8, pp.836 - 849

ISSN
2158-107X
URI
http://hdl.handle.net/10203/287819
Appears in Collection
IE-Journal Papers(저널논문)
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