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- W567488792 abstract "A text can be considered as a one dimensional array of words. The locations of each word type in this array form a fractal pattern with certain fractal dimension. We observe that important words responsible for conveying the meaning of a text have dimensions considerably different from one, while the fractal dimensions of unimportant words are close to one. We introduce an index quantifying the importance of the words in a given text using their fractal dimensions and then ranking them according to their importance. This index measures the difference between the fractal pattern of a word in the original text relative to a shuffled version. Because the shuffled text is meaningless (i.e., words have no importance), the difference between the original and shuffled text can be used to ascertain degree of fractality. The degree of fractality may be used for automatic keyword detection. Words with the degree of fractality higher than a threshold value are assumed to be the retrieved keywords of the text. We measure the efficiency of our method for keywords extraction, making a comparison between our proposed method and two other well-known methods of automatic keyword extraction." @default.
- W567488792 created "2016-06-24" @default.
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- W567488792 date "2015-06-19" @default.
- W567488792 modified "2023-09-26" @default.
- W567488792 title "The Fractal Patterns of Words in a Text: A Method for Automatic Keyword Extraction" @default.
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- W567488792 doi "https://doi.org/10.1371/journal.pone.0130617" @default.
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