An artifact-centric approach to dynamic modification of workflow execution

Authors:
Wei Xu;Jianwen Su;Zhimin Yan;Jian Yang;Liang Zhang
Affiliations:
School of Computer Science, Fudan University, China;Department of Computer Science, UC Santa Barbara;School of Computer Science, Fudan University, China and Real Estate Information Center, Hangzhou, China;Department of Computing, Maquaire University, Australia;School of Computer Science, Fudan University, China
Venue:
OTM'11 Proceedings of the 2011th Confederated international conference on On the move to meaningful internet systems - Volume Part I
Year:
2011

Citing 13
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Abstract

Being able to quickly respond to change is critical to any organizations to stay competitive in the marketplace. It is widely acknowledged that it is a necessity to provide flexibility in the process model to handle changes at both model level as well as instance level. Motivated by a business policy rich and highly dynamic business process in the real estate administration in China, we develop a dynamically modifiable workflow model. The model is based on the artifact-centric design principle as opposed to the traditional process-centric approach. Runtime execution variations can be specified as execution modification rules, which lead to deviations to the normal executions.With the support of rules and declarative constructs such as retract, skip, add, and replace, ad-hoc changes can be applied to execution at anytime depending on the runtime data and the instance status gathered through the use of artifacts in our model.