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In this paper a framework for the choreography of intelligent electronic services (e-services) that follows the ServiceOriented Architecture principle is presented. The composition abilities of intelligent e-services in the framework enable them to match a user's request for service consumption. The framework is based on a dynamic model of message querybased with casual knowledge-based expansion. A practical illustration of the application of the framework relies on a domain-specific e-service aggregation following an e-mentoring business scenario. The e-mentoring scenario is chosen in order to take advantage of the innovative features offered by the current World Wide Web, which has evolved into a provider of services.

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