Global body-based multi-data-source-pattern matching method

A pattern matching and data source technology, applied in database models, relational databases, structured data retrieval, etc., to save time, reduce workload, improve quality and efficiency

Inactive Publication Date: 2018-03-27
FUDAN UNIV
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Problems solved by technology

This method is suitable for solving the problem of pairwise pattern matching be

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  • Global body-based multi-data-source-pattern matching method
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  • Global body-based multi-data-source-pattern matching method

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Embodiment 1

[0177] In order to prove the effect of the present invention, a corresponding prototype system has been realized, and a series of experiments have been carried out. The used programming environment for system realization is Eclipse, and the version of the Java virtual machine is 1.5. The operating environment of the experiment is a HP4000 notebook, and the main frequency is 1500MHz. The memory is 256M and the operating system is Windows XP Professional Edition.

[0178] In order to verify the matching quality of the method of the present invention, some evaluation indexes are used. This embodiment introduces three commonly used evaluation indexes in the field of pattern matching and verifies the effectiveness of the method of the present invention through experiments. The three evaluation indexes are respectively: precision , recall rate (recall) and comprehensiveness (overall), assuming that the number of all correct matches found by domain experts in the two patterns to be ma...

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Abstract

The invention belongs to the field of data source pattern matching, and relates to a global body-based multi-data-source-pattern matching method. The method includes: converting multiple to-be-matchedpatterns into unified data models, namely pattern bodies; respectively carrying out pattern matching on each pattern body after conversion and a global body according to various related algorithms ofpattern matching, combining calculation results of the multiple matching algorithms to respectively obtain similarity relations between elements in each pattern body and the global body, and using asimilarity degree matrix for representation; and finally, using an aggregation strategy of the similarity relations to aggregate the above-mentioned obtained similarity relations according to transitivity of the similarity relations to obtain a matching result between every two of the multiple data source patterns. According to the method, the problem that one-to-one pattern matching needs to be carried out among multiple data source patterns in or among enterprises can be solved, quality and efficiency of multi-data-source-pattern matching can be significantly improved, and better scalabilityis realized.

Description

technical field [0001] The invention belongs to the technical field of data source pattern matching, and in particular relates to a multi-data source pattern matching method based on a global ontology. This method is suitable for solving the problem of pairwise pattern matching between multiple data source patterns within an enterprise or between enterprises. Background technique [0002] With the rapid development of Internet information technology, each enterprise has established its own data management system, and the data involved are stored in different storage systems in the form of representation and different storage forms. There are great differences, which hinder the exchange and sharing of data information. As the cooperation between various autonomous fields or enterprises becomes closer, the integration and sharing of information becomes more and more diversified, and the connection between various parts of the enterprise is also closer. In order to improve the...

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Application Information

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IPC IPC(8): G06F17/30G06F17/27G06K9/62
CPCG06F16/288G06F16/3344G06F16/367G06F16/83G06F16/835G06F40/253G06F40/30G06F18/22
Inventor 杨卫东
Owner FUDAN UNIV
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