System and method for indexing and retrieving keywords of academic documents

Abstract

The invention discloses a system and a method for indexing and retrieving keywords of academic documents. The system is based on an academic thesis network submission editing system and an academic document database retrieval system. The keywords at the inlet of the network submission editing system construct an input interface according to semantic frames which qualitatively describe the completesubject content of the documents such as research objects, conditions, methods, processes, attributes, results and the like. An author of a thesis directly indexes journal papers, and a word list isautomatically generated by a computer so as to realize synonymy, homoionym and cross-language automatic indexing integration and retrieving integration of the keywords. The retrieval system establishes an optional retrieval inlet according the same keyword essential data items and sequence thereof, the position relation of the words determines the definition relation of the words so as to improvespecificity.

Description

technical field [0001] The invention relates to an academic document keyword indexing and retrieval system and method. Background technique [0002] The keyword method uses the original text language indexing and retrieval documents that is not controlled by the vocabulary. Its greatest advantage is that it is not controlled during retrieval, conforms to people's daily expression habits, is easy to use, and indexing is simple and efficient. It can also avoid the distortion of the symbol expression literature theme caused by the error of literature analysis and indexing and the roughness of information retrieval language. Because of its large degree of freedom, there are also two problems. One is how to extract the keywords that can most accurately and fully express the subject of the literature from the original text, and how to effectively match these keywords with the retrieval topics; the other is the natural language pair Synonyms, synonyms, polysemous words and some re...

AI Technical Summary

Problems solved by technology

[0004] Indexing keywords in academic journals is very common nowadays. However, there is no uniform standard for each academic journal on how to index keywords correctly; the order of keywords reflects the logical relationship between words, but most authors of academic papers The concept of the orderly combination of keywords is vague, and there is no rule to follow in the ordering

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