Powerful information retrieval (Boolean retrieval)
2017-10-30
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This is the operation of the principle of information retrieval system, which can carry out Boolean retrieval on the words of multiple articles, support three kinds of logical operations of and or not, and output the article title number of multiple word and or non operation results. For example, a and B or not c means that there are two articles with both a word and B word or no C word. For the second and the thirteenth articles, the two article numbers 2 and 13 are output. The user can change the file in the main function to the file path on his computer, and then it can run.
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