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Cross-language scientific and technical literature retrieval method and cross-language scientific and technical literature retrieval system

A document retrieval, cross-language technology, applied in the field of computer retrieval, can solve the problem of reducing retrieval accuracy, and achieve the effect of improving accuracy

Inactive Publication Date: 2017-05-17
JILIN UNIV
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AI Technical Summary

Problems solved by technology

Due to the fact that there are often multiple translations of a word between Chinese and English, the retrieval accuracy is greatly reduced in cross-language retrieval.

Method used

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  • Cross-language scientific and technical literature retrieval method and cross-language scientific and technical literature retrieval system

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Embodiment Construction

[0027] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0028] see figure 1 , a cross-language scientific and technological literature retrieval method provided by an embodiment of the present invention, comprising:

[0029] Step S1, establishing a scientific and technological literature ontology database, wherein, the scientific and technological literature ontology database stores similar keywords, scientific and technological literature information ontology links corresponding to similar keywords, and the index of the scientific and technological literature information ontology link pointing to the source scientific and technological literature; The aforementioned similar keywords are a collection of Chinese and English keywords that are synonymous or near-synonymous; the aforementioned source scientific and technological literature is a collection of scientific and tech...

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Abstract

The invention relates to a cross-language scientific and technical literature retrieval method and a cross-language scientific and technical literature retrieval system. The cross-language scientific and technical literature retrieval method includes establishing a scientific and technical literature ontology library for storing homogeneous keywords, scientific and technical literature information ontology links corresponding to the homogeneous keywords as well as original scientific and technical literature indexes pointing to the scientific and technical literature information ontology links, wherein the homogeneous keywords refer to a set of synonymous or near-synonymous Chinese keywords and English keywords; reading an index word inputted by a user, and searching the scientific and technical literature information ontology link corresponding to the homogeneous keywords matching with the index word from the scientific and technical literature ontology library; searching relevant literature according to the scientific and technical literature information ontology link corresponding to the homogeneous keywords and the original scientific and technical literature index pointing to the scientific and technical literature information ontology link, and displaying the literature to the user according to a preset sequence. The cross-language scientific and technical literature retrieval method is capable of improving scientific and technical literature retrieval precision.

Description

technical field [0001] The invention relates to the technical field of computer retrieval, in particular to a cross-language retrieval method and system for scientific and technological documents. Background technique [0002] With the development of information technology, it is more and more common for people to use the way of searching electronic documents to acquire knowledge. However, the knowledge required by users may exist in documents in different languages, and users prefer to use their native language for retrieval, which creates the need for cross-language knowledge retrieval and extraction. [0003] Cross-language retrieval means that users use the retrieval vocabulary of a certain natural language (source language) to retrieve documents expressed in another natural language (target language). However, when the existing knowledge base is used for cross-language retrieval in Chinese and English, the keywords are translated into English first, and then the retrie...

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/3331
Inventor 徐昊
Owner JILIN UNIV
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