Exploiting a database system in scheduling internet-based workflows
Proceedings of the 10th International Conference on Information Integration and Web-based Applications & Services
Implementing Isolation for Service-Based Applications
OTM '09 Proceedings of the Confederated International Conferences, CoopIS, DOA, IS, and ODBASE 2009 on On the Move to Meaningful Internet Systems: Part I
Ensuring recoverability in composing web services
Proceedings of the 11th International Conference on Information Integration and Web-based Applications & Services
The reliability of web services atomic commitment protocols
Proceedings of the 12th International Conference on Information Integration and Web-based Applications & Services
Supporting data consistency in concurrent process execution with assurance points and invariants
RuleML'11 Proceedings of the 5th international conference on Rule-based modeling and computing on the semantic web
Fault-tolerant orchestration of transactional web services
WISE'06 Proceedings of the 7th international conference on Web Information Systems
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Traditional transaction semantics are not appropriate for business activities that involve long-running transactions in a loosely-coupled distributed environment, in particular, for Web Services that operate between different enterprises over the Internet. In this paper we describe a novel reservation-based extended transaction protocol that can be used to coordinate such business activities. The protocol avoids the use of compensating transactions, which can result in undesirable effects. In our protocol, each task within a business activity is executed as two steps. The first step involves an explicit reservation of resources. The second step involves the confirmation or cancellation of the reservation. Each step is executed as a separate traditional short-running transaction. We show how our protocol can be implemented as a reservation protocol on top of the Web Services Transaction specification or, alternatively, as a coordination protocol on top of theWeb Services Coordination specification.