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A Canonical Form for the Definition, Querying, and Manipulation of WorkflowsHenry H. BiAtkinson Graduate School of Management, Willamette University Akhil KumarPennsylvania State University - Mary Jean and Frank P. Smeal College of Business Administration 2004 Proceedings of the Fourteenth Workshop on Information Technologies and Systems (WITS 2004), pp. 26-31, Washington, D.C., USA, December 11-12, 2004 Abstract: In this paper, we show a novel way for describing workflows in a canonical form (C-form) and demonstrate its advantages. The C-form consists of basic workflow constructs such as sequence, parallel, choice, and looping. It allows us to write workflow schemas and instances as strings which can be queried easily using string operations. Examples of possible queries are given. We also show that more complex workflow patterns can be mapped into the C-form. Thus, the C-form is a convenient way for storing workflow descriptions and exchanging them with other partners. Since different partners may use different workflow modeling languages, we view this as a step towards seamless interoperability. Finally, the C-form facilitates operations on workflows such as merging, splitting, inserting, deleting, and substituting.
Number of Pages in PDF File: 6 Keywords: workflow modeling, canonical form, schema and instance, query and manipulation, workflow interoperability, workflow patterns JEL Classification: M1 Accepted Paper SeriesDate posted: March 1, 2010Suggested CitationContact Information
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