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Abstract:
Enterprise-spanning workflows require workflow management systems that can be
tailored to specific application needs, as well as enhanced support for
interoperability between different workflow management systems. In virtual
enterprises, the interoperability problem is not limited to workflow execution,
but also entails facilities like worklist management and history management to
be interoperable.We present a light-weight system architecture, consisting of a
small system kernel on top of which extensions like history management and
worklist management are implemented as workflows themselves. The functionality
of the kernel such as distributed workflow execution and interoperability
interfaces is available for all extensions. We show the feasibility of our
approach by presenting the implementation of history management in our workflow
specification language, based on state and activity charts, on top of our
light-weight kernel, coined Mentor-lite.
