Automatic keyword extracting method
An automatic keyword extraction and keyword technology, applied in natural language data processing, instruments, computing, etc., can solve problems such as poor recognition effect, poor recognition effect of low-frequency keywords, lack of semantic features, etc.
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[0067] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0068] A method for automatically extracting keywords proposed by the present invention firstly proposes a method based on word frequency-document distribution entropy to extract common words in the 3GPP technical standard, then proposes an algorithm based on dependency parsing tree to extract candidate keywords, and filters out candidate keywords After the common words, the position featur...
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