Design patterns: elements of reusable object-oriented software
Design patterns: elements of reusable object-oriented software
Specification and implementation of exceptions in workflow management systems
ACM Transactions on Database Systems (TODS)
Exception Handling in Workflow Management Systems
IEEE Transactions on Software Engineering - special section on current trends in exception handling—part II
Exception Handling in Workflow Systems
Applied Intelligence
ADOME-WFMS: towards cooperative handling of workflow exceptions
Advances in exception handling techniques
Flexible Exception Handling in the OPERA Process Support System
ICDCS '98 Proceedings of the The 18th International Conference on Distributed Computing Systems
A framework proposal for intelligent management of unexpected exceptions in workflow
OTM'11 Proceedings of the 2011th Confederated international conference on On the move to meaningful internet systems
WebVine suite: a web services based BPMS
APWeb'06 Proceedings of the 8th Asia-Pacific Web conference on Frontiers of WWW Research and Development
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Various unexpected events frequently happen in workflow system supporting web-based business processes. Thus workflow system should be equipped with handlers to cope with the unexpected events. But in practical terms, we cannot expect for a workflow system to prepare all the handlers for events that might potentially occur. It is more reasonable to let process designers specify exceptional situations and define corresponding exception handlers at process build time. At that time, when exceptional events occur, the workflow system detects the exceptions and invokes corresponding exception handlers. To support this mechanism, a workflow system should provide a means of specifying exceptions and facilities to detect exceptions and invoke corresponding exception handlers. In this paper, we devise an exception specification method using an event-transition approach and its handling mechanism using a design pattern. Detecting exceptions and mechanism for invoking exception-handling routines are developed and incorporated into our research workflow system (ICU/COWS).