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Method for measuring fuzzy similarity of ontology concept in intelligent semantic web

A technology of fuzzy similarity and measurement method, applied in special data processing applications, instruments, electrical digital data processing, etc. Three characteristics cannot be satisfied, etc.

Active Publication Date: 2012-04-25
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

In fact, this method can only solve the first of the three characteristics mentioned above—the depth of concepts, and cannot satisfy the second and third characteristics.
In addition, in order to simplify the model, the ontology-based similarity calculation method often defines the hierarchical structure of concepts clearly and forms a strict tree structure, so that the similarity between concepts in the model will largely depend on the construction of ontology , so it is not well suited to complex real-world situations

Method used

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  • Method for measuring fuzzy similarity of ontology concept in intelligent semantic web
  • Method for measuring fuzzy similarity of ontology concept in intelligent semantic web
  • Method for measuring fuzzy similarity of ontology concept in intelligent semantic web

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Embodiment Construction

[0061] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0062] Such as figure 1 As shown, the present invention provides A. Extend the concept of ontology into an interpretation set , the interpretation set includes isA subset, relatedTo subset and nearTo subset;

[0063] Specifically, the ontology concepts related to the ontology concepts are divided into three categories. The first category of ontology concepts is the ontology concept itself and the grandparent concept set above the ontology concept, and the first category of ontology concepts is stored in the isA subset In, the second type of ontology concept is the ontology concept with attribute relationship with the ontology concept and the grandparent concept set above the ontology concept with attribute relationship, the second type of ontology concept is stored in the relatedTo subset, the third type of ontology concept It is a sibling concept ...

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Abstract

The invention belongs to the field of measuring the fuzzy similarity of an ontology concept in an intelligent semantic web and particularly relates to a method for measuring the fuzzy similarity of the ontology concept in the intelligent semantic web. The method comprises the following steps of: (A) extending the ontology concept into an explanation set, wherein the explanation set comprises an is an A subset, a relatedTo subset and a nearTo subset; (B) extending the explanation set of the ontology concept into a fuzzy explanation set; and (C) calculating the fuzzy similarity of the ontology concept according to the fuzzy explanation set. The method can simultaneously meet the three characteristics of the similarity among concepts, and further, supports the calculation of the similarity when a sub concept of a complicated ontology has a plurality of parent concepts.

Description

technical field [0001] The invention belongs to the field of measuring ontology concept similarity in intelligent semantic network, and in particular relates to a method for measuring ontology concept fuzzy similarity in intelligent semantic network. Background technique [0002] Since Tim Berners-Lee proposed the concept of "Semantic Web" in 2000, there have been more and more researches and attempts on the Semantic Web. The goal of the Semantic Web is to enable "machines to understand content on the World Wide Web." The reason why we can understand the content of web pages is that we first share the meaning of various lexical conventions, and then obtain the meaning of sentences and paragraphs through comprehensive reasoning. Therefore, for a machine to be able to understand the meaning of a human, it must first have a knowledge of vocabulary that is shared with humans. The shared knowledge currently used by people is ontology. Ontology can roughly be regarded as a seri...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 刘发贵肖芬张杨
Owner SOUTH CHINA UNIV OF TECH
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