Semantic retrieval method oriented to field data

Abstract

The invention discloses a semantic retrieval method oriented to field data. Semantic information of a certain field is described by using a body, so that a computer understands content inquired by a user more accurately, and retrieval on a semantic level is realized. A semantic retrieval model oriented to field data is provided in combination with the structural characteristics of a semantic network body on the basis of analyzing the prior art. The semantic relativity between a keyword and different examples is deduced by using the model according to the position of the keyword in the body, and a relativity weight is written into an example inverted list which corresponds to the keyword, so that the similarity computation complexity during semantic retrieval is lowered, and the retrieval efficiency is increased. According to the method disclosed by the invention, retrieval is raised from a grammatical level of simple keyword matching to a semantic level understandable for the computer, and the computer can understand the input keyword, so that retrieval intelligence is realized.

Description

technical field [0001] The invention relates to an intelligent retrieval method, in particular to a domain data-oriented semantic retrieval method. Background technique [0002] The Internet is the most important network information distribution center today, which gathers massive amounts of information, and the amount of information is still growing at an alarming rate. Information retrieval technology, as a convenient way to view information, plays an increasingly important role in the process of information acquisition. Location. Most of the traditional search engines are based on keyword matching, lack of necessary semantic information, can not understand user needs well, often get a lot of irrelevant information, in order to break through these limitations, a lot of research work began to turn to the search field Semanticization, that is, one of the hottest research directions in the two fields of Semantic Web and Web Search. [0003] The current practical information...

AI Technical Summary

Problems solved by technology

Although some research progress has been made, there is still a certain gap compared with foreign countries, especially developed countries. The planning and design of the Internet, but scholars and experts in many fields such as artificial intelligence and information management have been conducting research and exploration on the semantic web, ontology technology, semantic retrieval, etc., and have achieved certain results

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