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One of the key interests in web services is the ability to compose them in order to build more powerful and complex ones running in an interoperable and distributed setting. Several languages, like BPEL, that describe such services have been proposed. Similar to the usual complex systems, web service compositions may exhibit inappropriate behaviors in the presence of failures. Compensation mechanisms...
System substitution can be defined as the capability to replace a system by another one that preserves the specification of the original one. It may occur in different reconfiguration situations like failure management or maintenance. When substituting a system at runtime, a key requirement is to correctly restore the state of the substituted one. This paper proposes a correct by construction generic...
One of the key interests in web services is the ability to compose them in order to build more powerful and complex ones running in an interoperable and distributed setting. Several languages, like BPEL, that describe such services have been proposed. Similarly to traditional complex systems, web service compositions may exhibit inappropriate behaviors in the presence of failures. Compensation mechanisms...
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