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Big Island, HI, USA
Jan. 6, 2003 to Jan. 9, 2003
ISBN: 0-7695-1874-5
pp: 202a
S.C. Cheung , Hong Kong University of Science and Technology
Dickson K.W. Chiu , Chinese University of Hong Kong
Sven Till , Hong Kong University of Science and Technology
E-services refer to the services offered over the Internet. The globalization of economy accelerates the provision of e-services across organizations. Instead of being built from scratch, e-services are mostly extended from existing internal workflows or information systems. In this paper, we examine the requirements of extending a work-flow to the provision of e-services, in order to fulfill predefined business processes and data requirements. We also discuss the support of exception handling and asynchronous events across organizational boundaries, through an event publish-and-subscribe mechanism. We demonstrate the feasibility of this approach with the E-ADOME extension layer of our ADOME-WFMS, further illustrated with a system integration example. Our event-driven execution model provides a unified framework for both synchronous execution of workflow and asynchronous handling of events and exceptions. Illustrations are also given on the provision of such e-services over the infrastructure of Web services and Enterprise JavaBeans.
S.C. Cheung, Dickson K.W. Chiu, Sven Till, "Data-driven Methodology to Extending Workflows to E-services over the Internet", HICSS, 2003, 36th Hawaii International Conference on Systems Sciences, 36th Hawaii International Conference on Systems Sciences 2003, pp. 202a, doi:10.1109/HICSS.2003.1174457
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