EA (Evolutionary Algorithm)-based English text clustering method
A text clustering and evolutionary algorithm technology, which is applied in text database clustering/classification, unstructured text data retrieval, calculation, etc., can solve problems such as too many classes and clustering failure to converge, and achieve accurate clustering division , clear thinking, clear algorithm expression effect
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[0027] The present invention uses text mining as the background to cluster multiple English texts. The purpose is to obtain more valuable information according to different categories. figure 1 Perform text preprocessing and vectorization; according to figure 2 Perform clustering between texts. Specific examples are as follows:
[0028] 1. Split each of the 4 texts into words, and analyze the length of the words in each text; delete words with a length less than 2 and delete stop words;
[0029] 2. Count the total number of words in 4 texts, the number of each word in each text, and calculate the word frequency f of the word a in the text. i (d), to determine whether word a appears in the text, the occurrence is marked as 1; the no occurrence is marked as 0, and the number of texts that have appeared in word a is counted; here is the number one text D1 as an example, D1 The total number of words is 1000, word a appears in 3 texts, word b appears in 3 texts, word c appears in 4 t...
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