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Erschienen in:
2019 | OriginalPaper | Buchkapitel
A New Automatic Multi-document Text Summarization using Topic Modeling
verfasst von : Rajendra Kumar Roul, Samarth Mehrotra, Yash Pungaliya, Jajati Keshari Sahoo
Erschienen in: Distributed Computing and Internet Technology
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Abstract
This paper proposes a novel methodology to generate an extractive text summary from a corpus of documents. Unlike most existing methods, our approach is designed in such a way that the final generated summary covers all the important topics from a corpus of documents. We propose a heuristic method which uses the Latent Dirichlet Allocation technique to identify the optimum number of independent topics present in the corpus. Some of the sentences are identified as the important sentences from each independent topic using a set of word and sentence level features. In order to ensure that the final summary is coherent, we suggest a novel technique to reorder the sentences based on sentence similarity. The use of topic modeling ensures that all the important content from the corpus of documents is captured in the extracted summary which in turn strengthen the summary. Experimental results show that the proposed approach is promising.