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Entropy difference 1 Extrinsic mode 1 Intrinsic mode 1 Keyword extraction 1
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Fan, Kefeng 1 Lai, Yingxu 1 Lei, Jianjun 1 Yang, Zhen 1
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Physica A: Statistical Mechanics and its Applications 1
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Keyword extraction by entropy difference between the intrinsic and extrinsic mode
Yang, Zhen; Lei, Jianjun; Fan, Kefeng; Lai, Yingxu - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 19, pp. 4523-4531
This paper proposes a new metric to evaluate and rank the relevance of words in a text. The method uses the Shannon’s entropy difference between the intrinsic and extrinsic mode, which refers to the fact that relevant words significantly reflect the author’s writing intention, i.e., their...
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