A Semantic Approach to Internal Structure Formation in the Semantic Grid

Virtual organizations (VO) provide an independent mechanism to bridge the users' goals and requirements to the Grid resources and services. To form the workflow to link a sequence of grid services in a VO is a key issue in the area of the semantic grid. It is crucial to find a suitable semantic description for VOs in order to analyze various components, such as tasks, services, and resources, and hence to make VO workflows through semantic matching between tasks and services. In this paper, we propose a contextual semantic description model for semantic description of VO components. We also propose a semantic matching theory for matching the tasks with the services and forming a dynamic service flow.