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Ontological concept mapping method

A mapping method and concept technology, which is applied in the field of ontology concept mapping based on virtual paths, can solve the problems of ignoring adjacent elements of concepts and their semantic connections, and using low semantics of ontology, so as to improve recall rate, meet performance requirements, Effects that improve quality and performance

Inactive Publication Date: 2010-06-16
HUAZHONG NORMAL UNIV
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Problems solved by technology

[0025] The purpose of the present invention is to address the deficiencies in the prior art, and propose an ontology mapping method based on virtual paths, which overcomes the existing ontology mapping method which only considers the semantic similarity of concepts, ignores the adjacent elements of concepts and their semantic relations, and utilizes the semantic degree of ontology low defect

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Embodiment Construction

[0042] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. Follow the steps below to realize ontology concept mapping. During specific implementation, it can be realized by means of computer. For the convenience of description, in the figure, the attribute or semantic relationship between the predecessor element and the target element, and the attribute or semantic relationship between the target element and the subsequent element are simplified and marked as attributes.

[0043] Step 1: Define the two ontology concepts to be compared as target elements, and establish a virtual path composed of adjacent elements with semantic connections and their connections for the two target elements; the adjacent elements include target elements Precursor elements and post-precursor elements; the structure of the virtual path is composed of five independent elements, namely, pre-cursor element-attribute or seman...

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Abstract

The invention relates to an ontological concept mapping method which comprises the following steps of: determining two ontological concepts to be compared as target elements, and respectively establishing adjacent elements with a semantic relation and a virtual path formed by the relation thereof, i.e. the property between precursor element-precursor element and the target elements or the property between semantic relation-target element-target element and rear-guard elements or semantic relation-rear-guard elements; respectively carrying out conceptual semantic similarity comparison on independent elements in the virtual paths of the two target elements; integrating the concept semantic similarities of all independent elements in the virtual paths and acquiring the graph semantic similarity of the virtual paths of the two target elements; and deducing a mapping relation between the two target elements according to the graph semantic similarity of the virtual paths. The ontological concept mapping method focuses on the adjacent elements and the semantic relations of the concepts, has more comprehensive investigation range and improves the quality and the property of ontological mapping.

Description

technical field [0001] The invention belongs to the technical field of ontology mapping, in particular to a virtual path-based ontology concept mapping method. Background technique [0002] Ontology, as a semantic and knowledge-level concept sharing model, has attracted extensive attention from researchers in data integration, P2P systems, e-commerce, semantic Web services, social networks (Social Networks) and other application fields since it was proposed. Effective research and application, a series of domain problem-solving methods based on ontology are proposed. [0003] Ontology Mapping is a key technology to discover the mapping relationship between entity elements (including ontology classes, attributes or individuals) between different ontologies, and has been generally considered by domestic and foreign scholars to be one of the effective means to solve the problem of semantic heterogeneity in computer systems. . [0004] The mapping elements in the ontology mapp...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 杨宗凯黄涛刘清堂汪虹刘三女牙赵刚
Owner HUAZHONG NORMAL UNIV
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