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Construction and instantiation method of domain ontology

A domain ontology and instantiation technology, applied in the field of ontology construction, can solve problems such as inability to achieve fast construction and low efficiency, and achieve fast construction, easy maintenance, and strong readability

Active Publication Date: 2013-09-04
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0012] The technical problem to be solved by the present invention is to provide a method for constructing and instantiating a domain ontology in view of the deficiencies in the prior art. Aiming at the problem of ontology construction in a single field, it realizes the rapid construction of ontology suitable for most fields

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  • Construction and instantiation method of domain ontology
  • Construction and instantiation method of domain ontology
  • Construction and instantiation method of domain ontology

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Embodiment

[0035] Such as figure 1As shown, taking the ontology and instantiation of the field of plane geometry as an example, the construction and instantiation method of the field ontology of the present invention is further described:

[0036] (1) Build an ontology model in the field of plane geometry

[0037] a. The field of plane geometry includes various elements of geometry, such as points, lines, circles, etc., which all belong to the classes in the ontology of the plane geometry field to be constructed; these classes are obtained through the search interface of Wikipedia, that is, core terms, and the specific process as follows:

[0038] Through Wikipedia (Wikipedia) "Chinese"-"Category Index"-"Mathematics"-"Geometry" page, you are directed to the geometric terminology page. This page lists most of the core terms and core terms in the field of plane geometry. At the same time, in order to make the granularity of the ontology finer, we search and screen the obtained core terms...

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Abstract

The invention discloses a construction and instantiation method of the domain ontology. The construction and instantiation method of the domain ontology is characterized in that a domain is selected, and core items of the domain and the relation among the core items are obtained through Wikipedia; comparison and screening are carried out on the relation among the core items and the WordNet inquiry mode, a corresponding mode between the relation among the core items and the WordNet inquiry mode is confirmed, and the ontology relation of the domain ontology needing to be constructed is confirmed according to the corresponding mode; the domain ontology of the domain is constructed through the core items and the ontology relation; properties of the selected domain are confirmed and added to the domain ontology; an example of the selected domain is used as an entity of the domain ontology, and instantiation is carried out; the instantiated domain ontology is stored in an AG database. The construction and instantiation method of the domain ontology constructs the ontology by relying on Wikipedia and WordNet resources shared by all mankind, and is suitable for construction of most of specific domain ontology, and construction speed is quite high. The construction and instantiation method of the domain ontology enables the domain ontology to be instantiated, and enables the constructed domain ontology to be strong in readability, easy to maintain, and more convenient to use.

Description

technical field [0001] The invention relates to the field of ontology construction, in particular to a construction and instantiation method of a domain ontology. Background technique [0002] In this specification, the following terms are used with the indicated meanings unless otherwise specified: [0003] Ontology: The basic terms and relations that constitute the vocabulary of the relevant field, and the definition of the rules that stipulate the extension of these terms and relations formed by these terms and relations. [0004] OWL: A network ontology language developed by W3C for semantic description of ontology. Since OWL is developed on the basis of DAML+OIL to meet the needs of various aspects, it is necessary to maintain compatibility with DAML+OIL / RDFS on the one hand, and to ensure more powerful semantic expression capabilities on the other hand. To ensure the decidable reasoning of Description Logic (DL, Description Logic), W3C designers have formulated three...

Claims

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Application Information

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IPC IPC(8): G06F17/27G06F17/30
Inventor 符红光刘忠钟秀琴
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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