Heterogeneous Database Integration of EPR System Based on OGSA-DAI

  • Xuhong Liu
  • Yunmei Shi
  • Yabin Xu
  • Yingai Tian
  • Fuheng Liu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5938)


In this paper, we describe a service-oriented middleware architecture based on OGSA-DAI which integrates heterogeneous database distributed in different electronic patient record (EPR) system. OGSA-DAI provides uniform access to heterogeneous databases that have heterogeneous DBMSs by web service. We solve data heterogeneity on information expressed by specifying the criteria of information description and then mapping physical data to a virtual table. Users retrieve data from virtual table by SQL query.


Server Node Task List Execution Engine Globus Toolkit Virtual Activity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Xuhong Liu
    • 1
  • Yunmei Shi
    • 1
  • Yabin Xu
    • 1
  • Yingai Tian
    • 1
  • Fuheng Liu
    • 2
  1. 1.Computer SchoolBeijing Information Science and Technology UniversityBeijingChina
  2. 2.College of Information Science and EngineeringQingdao Agricultural UniversityQingdaoChina

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