The Integration of Heterogeneous Data Sources Based on OGSA-DAI

The Integration of Heterogeneous Data Sources Based on OGSA-DAI

Heterogeneity of the data leads to low utilization rate of resources, producing a large amount of information islands. This paper gives a new method to convert global query into local query which can be executed by OGSA-DQP based on OGSA-DAI and OGSA-DQP, achieving centralized and uniformed access t...

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Bibliographische Detailangaben
Hauptverfasser: Zhi-yun Zheng, Li-fu Wang, Lun Li, Li-ping Lu
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Cities and towns
Distributed databases
Servers
Syntactics
Web services
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Beschreibung
Zusammenfassung:Heterogeneity of the data leads to low utilization rate of resources, producing a large amount of information islands. This paper gives a new method to convert global query into local query which can be executed by OGSA-DQP based on OGSA-DAI and OGSA-DQP, achieving centralized and uniformed access to multiple data sources. This method has been applied to a real project, and has achieved good results.
DOI:10.1109/ITAP.2011.6006297