Requirements for workflow modeling in P2P-Workflows derived from collaboration establishment


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Wombacher, Andreas and Aberer, Karl (2004) Requirements for workflow modeling in P2P-Workflows derived from collaboration establishment. In: 15th International Workshop on Database and Expert Systems Applications, DEXA 2004, 30 August - 3 September 2004, Zaragoza, Spain (pp. pp. 1036-1041).

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Abstract:Web services advocate loosely coupled systems, although current applications are limited to centrally controlled structures. The reason for this imitation is the lack of a method for deciding collaboration consistency, that is deadlock freeness and boundedness, in a decentralized way. In particular, an intuitive approach classifies collaborations incorrectly being inconsistent due to the loss of information introduced by the decentralization. In the paper loss of message ordering and message parameter value constraints caused by the decentralization are identified to be the reasons for incorrect decision results. The proposed approach to overcome this issue is to explicate these constraints, which cannot represented in common workflow models.
Item Type:Conference or Workshop Item
Copyright:© 2004 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/67421
Official URL:http://dx.doi.org/10.1109/DEXA.2004.1333613
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