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Hong Kong, China
Mar. 29, 2005 to Apr. 1, 2005
ISBN: 0-7695-2274-2
pp: 466-471
Patrick C. K. Hung , University of Ontario Institute of Technology, Canada
Dickson K. W. Chiu , Dickson Computer Systems, Hong Kong
ABSTRACT
Assembling information for queries from distributed heterogeneous resources is a challenging and important process for inter-organizational collaboration and service provision. However, traditional distributed databases approaches ignore human intervention and most exception handling in the process. Therefore, we propose a workflow-based approach to address this problem. This is particularly suitable in a loosely coupled and autonomous Web services environment, in which XML query plans are formulated in XQuery We demonstrate the feasibility of our approach with a healthcare data integration case study and examine some typical use cases of exceptions handling in XQuery.
INDEX TERMS
Web Services Flow Language, Workflow Services Endpoint Language, XML, DTD, XQuery
CITATION
Patrick C. K. Hung, Dickson K. W. Chiu, "Exception Handling for XML Query Execution Plans in a Web Service Environment", EEE, 2005, e-Technology, e-Commerce, and e-Services, IEEE International Conference on, e-Technology, e-Commerce, and e-Services, IEEE International Conference on 2005, pp. 466-471, doi:10.1109/EEE.2005.71
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