A Comparative Evaluation of Different Keyword Extraction Techniques

نویسندگان

چکیده

Retrieving keywords in a text is attracting researchers for long time as it forms base many natural language applications like information retrieval, summarization, document categorization etc. A collection of words that represent the theme naturally and to bring naturalism under certain rules itself challenging task. In present paper, authors evaluate different spatial distribution based keyword extraction methods available literature on three standard scientific texts. The choose first few high-frequency evaluation reduce complexity all are somehow frequency. find not providing good results particularly case retrieved words. Thus, propose new measure frequency, inverse variance, Tsallis entropy. Evaluation done basis precision, recall, F-measure. Results show proposed method provides improved results.

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ژورنال

عنوان ژورنال: International journal of information retrieval research

سال: 2021

ISSN: ['2155-6377', '2155-6385']

DOI: https://doi.org/10.4018/ijirr.289573