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Data ontology mapping method and system

An ontology mapping and data technology, which is applied in the fields of electrical digital data processing, special data processing applications, natural language data processing, etc.

Active Publication Date: 2021-03-12
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Description
  • Claims
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Problems solved by technology

The heterogeneity of data prevents these data from being well interconnected and shared

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  • Data ontology mapping method and system

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Embodiment Construction

[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0056] The object of the present invention is to provide a data ontology mapping method and system, which improves the accuracy of industrial equipment data ontology mapping.

[0057] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0058] The technical idea of ​​the pre...

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Abstract

The invention relates to a data ontology mapping method and system, and the method comprises the steps: extracting concepts in a to-be-mapped first ontology, obtaining a first concept set, extractingconcepts in a to-be-mapped second ontology, and obtaining a second concept set; pairing the concepts in the first concept set and the concepts in the second concept set in pairs to obtain a concept pair set; calculating data similarity, name similarity and description text similarity of each concept pair in the concept pair set; performing weighted calculation on the data similarity, the name similarity and the description text similarity to obtain comprehensive similarity of the concept pair; constructing a concept similarity matrix according to the comprehensive similarity of each concept pair; and mapping between the concepts in the first ontology and the concepts in the second ontology according to the concept similarity matrix. According to the method, data matching can be carried outthrough comprehensive similarity, the influence of data isomerism is reduced, and the accuracy of industrial equipment data ontology mapping is improved.

Description

technical field [0001] The invention relates to the technical field of data collection and intercommunication, in particular to a data ontology mapping method and system. Background technique [0002] In the MES (Manufacturing Execution System, Manufacturing Execution System)-oriented industrial Internet identification data collection and intercommunication system, the industrial equipment data in the enterprise MES system is a very important type of data, but there will be a variety of heterogeneity among these data It mainly includes (1) data type heterogeneity, that is, data resources are expressed in various forms, including structured tables, semi-structured XML files, unstructured charts and other types of data; (2) semantic heterogeneity structure, that is, there is ambiguity in the conceptual meaning of data, and the same thing may have multiple expressions, such as "temperature" can be expressed as "temperature" or "Temp", and the same expression may represent diffe...

Claims

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Application Information

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IPC IPC(8): G06F16/36G06F40/216
CPCG06F16/367G06F40/216
Inventor 柴森春王昭洋王硕姚分喜张百海崔灵果李慧芳
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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