Searching method and system for carrying out label identification on resultless word
A technology of tag recognition and search methods, applied in the field of Internet e-commerce, can solve the problems of increasing search secondary recall, returning no search results, digesting search words, etc., and achieving the effect of expanding the scope of crawling
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[0040] The present invention will be further described below in conjunction with embodiment and accompanying drawing.
[0041] There are two kinds of existing processing methods for no result words: error correction and word reduction. Among them, error correction mainly takes no result words as the core. The similarity score before the word is obtained, and the similar word with a high similarity with the original word is obtained as a replacement word. Word reduction refers to the selection of the result of the word segmentation process without the result, and the part with the result is reserved as the replacement word of the original word.
[0042] The system module data flow of the inventive method is as figure 1 As shown, firstly crawl the external network data for the search words that still have no results after error correction processing and word reduction search (that is, no result words), segment the crawled documents and extract high-frequency words , where the...
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