Business processes for Web Services: Principles and applications

  title={Business processes for Web Services: Principles and applications},
  author={Rania Khalaf and Alexander Keller and Frank Leymann},
  journal={IBM Systems Journal},
PROCESSES IN BPEL A BPEL abstract process provides a description of a related range of behaviors; one can think of it as representing a set of executable processes. Abstract processes have access to the same range of syntax and semantics as executable BPEL processes. Opaque tokens enable explicit hiding of information, and in some cases, may themselves be omitted. In BPEL4 V1.0, the only opacity allowed involves variable references on activities that exchange messages and opaque data… CONTINUE READING
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