A Model to Design and Verify Context-Aware Adaptive Service Composition

The introduction of mobile clients and context-aware behaviors into Web Service compositions may generate faults and inconsistencies. We introduce an extension of a composition model where context-awareness is made explicit and a number of correctness properties are verifiable. In particular, our extended model enables the verification of properties commonly used to validate context dependent applications. We also propose a set of algorithms to verify these properties efficiently.

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