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A Study on Heterogeneous Data Integration Based on XML Schema

Author: LiShan
Tutor: TanYueSheng
School: Inner Mongolia University of Science and Technology
Course: Applied Computer Technology
Keywords: XML Schema Relational schema Data Integration
CLC: TP311.13
Type: Master's thesis
Year: 2010
Downloads: 64
Quote: 2
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Abstract


With the development of information technology , information and data , not only in the amount of double with Japan , more and more storage forms . The original information system in the face of the access and integration of heterogeneous data sources more and more helpless. In order to make full and effective use of a variety of carriers in the form of information and data , solving system there are a lot of redundant data , garbage data , information silos , data sharing and integration between various heterogeneous data sources , this paper presents a heterogeneous data sources based on XML schema integration solutions . The purpose of data integration is to provide a unified interface to access heterogeneous data sources , so users do not have to consider the heterogeneity of the data model , data extraction, data synthesis , users simply specify the data they want , without having to describe how to get data. This paper deeply studied the research and application status of Heterogeneous Data Integration System , Heterogeneous Data Integration System prominent problems , such as heterogeneity , completeness , semantic conflicts and integrated content limited aspects. For many problems , this paper put forward the idea of a data exchange center to effectively resolve the collaborative work between the different enterprise application systems integration strategy , the various application systems and data exchange through the use of a uniform data exchange standards , The center is connected to the data exchange center to achieve data sharing and exchange . Fully demonstrated the feasibility and advantages of XML solve the integration of heterogeneous data sources , and based on template-driven and based on model-driven two XML to relational schema mapping the advantages and disadvantages of the method based on the comparison , the final mapping method based on model-driven , further detailed mapping rules define a bi-directional mapping of XML and relational models to achieve the integration of heterogeneous data sources , the final application .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Programming > Database theory and systems
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