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Web service composition (WSC) problems involve using domain knowledge about the underlying problem domains during the composition process. Existing research on Web service composition procedures has generally assumed that this domain knowledge is encoded as a single ontology that must be provided as an input to a composition procedure. In composition(More)
Many online businesses offer services to the users that are complex in nature. A number of simple services need to be combined to form a composite service. User demands may include not only complex functional requirements but may also pertain to specific QoS and security needs. The overall QoS of the composite service and the offered security may be decided(More)
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