Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 390, Issue 18-19, Pages 3157-3163Publisher
ELSEVIER
DOI: 10.1016/j.physa.2011.04.013
Keywords
Entropy; Information theory; Complex systems; Statistical mechanics; Keyword extraction
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Funding
- Zanjan university [P/6295]
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Entropy as a measure of complexity in the systems has been applied for ranking the words in the human written texts. We introduce a novel approach to evaluate accuracy for retrieved indices. We also have an illustrative comparison between proposed entropic metrics and some other methods in extracting the keywords. It seems that, some of the discussed metrics apply similar features for word ranking in the text. This work recommend the entropy as a systematic measure in text mining. (C) 2011 Elsevier B.V. All rights reserved.
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