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Method and system for constructing domain ontology

A technology of domain ontology and construction method, which is applied in domain ontology construction method and system field based on ontology reuse, can solve the problem of low precision and accuracy of synonyms, achieve good definition and operability, high ontology reuse rate, high The effect of precision and recall

Active Publication Date: 2013-07-24
ZTE CORP +1
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AI Technical Summary

Problems solved by technology

The main disadvantage of this method is that the accuracy (that is, the correct rate) of obtaining synonyms is very low.

Method used

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  • Method and system for constructing domain ontology
  • Method and system for constructing domain ontology
  • Method and system for constructing domain ontology

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Embodiment Construction

[0056] The basic idea of ​​the present invention is: list the names of all terms that need to be described by the target ontology, and form the keyword set W 0 ; for keyword set W 0 All the keywords in are sorted to form a keyword sequence S 0 ;Create ontology set O to be reused, will start from keyword sequence S 0 Submit all the keywords in the continuous subsequences extracted in the ontology retrieval system to the ontology retrieval system, and add the ontology with the highest ranking in the retrieval results to the ontology set O; perform a set union operation on all the ontology in the ontology set O to form a new ontology o.

[0057] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0058] The invention provides a domain ontology construction method, figure 1 is a schematic flowchart of the method for realizing domain ontology construction in the present invention, such as figur...

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Abstract

The invention discloses a method for constructing a domain ontology, which comprises the following steps of setting out names of all terms which need to be described by a target ontology to form a keyword set W0; sorting all keywords in the keyword set W0 to form a keyword sequence S0; creating an ontology set O to be multiplexed, submitting all the keywords in continuous subsequences extracted from the keyword sequence S0 to an ontology retrieval system, and adding an ontology with the highest ranking in a retrieval result into the ontology set O; and carrying out set union operation processing on all the ontologies in the ontology set O to form a novel ontology O. The invention also provides a system for constructing the domain ontology. According to the technical scheme, the constructing method facing keyword inquiry of ontology retrieval is provided and has excellent definition and operability; and higher ontology multiplex ratio can be obtained.

Description

technical field [0001] The invention relates to the fields of information system modeling and knowledge engineering, in particular to a domain ontology construction method and system based on ontology reuse. Background technique [0002] Tom Gruber defines an ontology as an explicit specification of a conceptualization built for sharing. Conceptualization refers to the establishment of a model for abstract concepts, concrete objects, object attributes, and relationships between objects in a domain or scope, while ontology explicitly expresses a conceptualization as a specification for sharing by multiple subjects. In an ontology, the above-mentioned concepts, relations, etc. are collectively called terms (Term); an ontology can be regarded as a set composed of term descriptions called axioms (Axiom). Nicola Guarino divided ontology into top-level ontology, domain ontology, task ontology, and application ontology. Among them, the top-level ontology describes general concept...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 董振江吉锋罗圣美程龚瞿裕忠
Owner ZTE CORP
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