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Ev-LCS: A System for the Evolution of Long-Term Composed Services
First Quarter 2013 (vol. 6 no. 1)
pp. 102-115
Xumin Liu, Rochester Institute of Technology, Rochester
Athman Bouguettaya, RMIT, Melbourne, Victoria
Jemma Wu, CSIRO, ICT Center, Canberra
Li Zhou, CSIRO, ICT Center, Canberra
We propose a system, called EVolution of Long-term Composed Services (Ev-LCS), to address the change management issues in long-term composed services (LCSs). An LCS is a dynamic collaboration between autonomous web services that collectively provide a value-added service. It has a long-term commitment to its users. We first present a formal model, which provides the grounding semantics to support the automation of change management. We present a set of change operators that allow to specify a change in a precise and formal manner. We then propose a change enactment strategy that actually implements the changes. We develop a prototype system for the proposed Ev-LCS to demonstrate its effectiveness. We also conduct an experimental study to assess the performance of the change management approach.
Index Terms:
Web services,Context,Ontologies,Business,Semantics,Collaboration,Concrete,change management,Web service,ontology,service composition
Xumin Liu, Athman Bouguettaya, Jemma Wu, Li Zhou, "Ev-LCS: A System for the Evolution of Long-Term Composed Services," IEEE Transactions on Services Computing, vol. 6, no. 1, pp. 102-115, First Quarter 2013, doi:10.1109/TSC.2011.40
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