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Today’s enterprises need to be agile, to be able to cope with unexpected changes, to increasingly be dynamic, and to continually deal with change. Change affecting business processes may range from ad hoc modification to process evolution. In this chapter we present dimensions of change concentrating on a specific ability of an enterprise to deal with change. To support business in being agile we propose a semantically enriched context model based on well known enterprise architecture. We present a context aware workflow engine basing on the context model and on rules which trigger process adaptations during run time.

The Business Process Execution Language (BPEL) is a process modeling language which uses standard control constructs to define a workflow. But, today‘s enterprises need to be agile to cope with increasing change, uncertainty and unpredictability. Therefore, automating agile business processes is still a challenge as they are normally knowledge intensive and can be planned to a limited degree. The execution order depends heavily on the case, which has to be performed. So instead of modeling all possible cases and situations which might occur in a knowledge intensive process we introduced an approach which uses semantic technologies and rules. Business rules can be utilized to allow for case-specific adaptation of process steps. A component was developed which allow during run-time rules to automatically detect the state of the case and to determine the necessary process adaptations.

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