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2009•Journal of Shaanxi University of Science & TechnologyRequires access

A MAPPING MODEL BASED ON XML ABOUT INTEGRATION OF HETEROGENEOUS DATA

YU Xun-quan

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Abstract

This paper analyses the current situation and problems of heterogeneous data integration in computer network,a CDM model of heterogeneous data integration based on XML is given.In this model,through the establishment of mapping mechanism between the global schema and intermediate schema,intermediate schema and local schema,it can link the global schema,intermediate output schema and local schema,and it has solved the problem of data rebuilding and format difference in the process of heterogeneous data source integrating.

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What this paper is about

This paper analyses the current situation and problems of heterogeneous data integration in computer network,a CDM model of heterogeneous data integration based on XML is given.In this model,through the establishment of mapping mechanism between the global schema and intermediate schema,intermediate schema and local schema,it can link the global schema,intermediate output schema and local schema,and it has solved the problem of data rebuilding and format difference in the process of heterogeneous data source integrating.

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Available abstract

This paper analyses the current situation and problems of heterogeneous data integration in computer network,a CDM model of heterogeneous data integration based on XML is given.In this model,through the establishment of mapping mechanism between the global schema and intermediate schema,intermediate schema and local schema,it can link the global schema,intermediate output schema and local schema,and it has solved the problem of data rebuilding and format difference in the process of heterogeneous data source integrating.

Key concepts: Semi-structured model, Computer science, Star schema, Data integration, Conceptual schema, Schema (genetic algorithms), Document Structure Description, Schema migration

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