Structural Considerations in Defining Executable Process Models
This paper examines the question of how to structure the representation of a process in order to assure that the representation is effective in supporting such diverse activities as process understanding, communication among process participants, and process execution. The paper uses the example of a negotiation process to demonstrate that one process structure (which we refer to as the narrative form) seems to be quite effective in supporting understanding and communication, but then indicates that this structure seems problematic in supporting process execution. The paper indicates that a different structure (which we refer to as the role-oriented form) seems much more appropriate and effective in supporting execution, but may be lacking at supporting communication. In addition to serving different purposes, the two structures seem to represent different underlying models–a static process model, and a similar, but more complex, execution model. The properties of these two complementary structures are then analyzed and evaluated. The paper then uses these observations to raise questions about the underlying needs for effective process representation, suggesting in particular that a single process representation may not be a suitable basis for supporting the range of needs that process representations are expected to address.
KeywordsProcess Representation Process Participant Process Family Object Management Group Narrative Form
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