Multisource semantic analysis based information retrieval method
A technology of semantic analysis and information retrieval, applied in the field of information retrieval based on multi-source semantic analysis, which can solve problems such as query accuracy reduction
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[0039] In order for those skilled in the art to better understand the solution of the present invention, the following will describe the embodiments of the solution of the present invention in detail with reference to the accompanying drawings in the examples of the present invention.
[0040] like figure 1 As shown, the general idea of an information retrieval method for multi-source semantic analysis of the present invention is as follows: first, perform LDA modeling on the preprocessed document, obtain the representation ability of the term on the document at the hidden topic level, and then use the term At the same time, an inverted index is established with the representation ability of the term to the document, so that it can represent the text information in the form of low-dimensional topics; then the user's initial query text is obtained and preprocessed, and then according to whether each query term is a professional medical vocabulary Carry out multi-dimensional a...
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