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Grid technology enables resource sharing among a massive number of dynamic and geographically distributed resources. The significance of such environments is based on the aptitude of grid members to look across multiple grids for resource discovery and allocation. Parallel to grid, agents are autonomous problem solvers capable of self-directed actions in flexible environments. As grid systems require...
With the increasing complexity of dynamic and collaborative computing environments in Grid, access control has become a critical factor. Several approaches have been proposed in grid environment for scalable and efficient authorizations that are either VO-centric or Resource-centric. Reviewing different kinds of proposed authorization systems, we find out that VO-level and Resource-level authorization...
Community Coordinated Multimedia (CCM) empowers users' experiences through providing services of multimedia aggregation, delivery, sharing, and viewing within a community via the Internet. This paper approaches the CCM paradigm a step by designing and developing Digital Movie Guide (DMG) service for enhancing user's viewing experience. The DMG service prototype is implemented and demonstrated.
User initiated interactions in social networks and web services generate Collective Intelligence that is exploited in many web applications to shape output toward a better adaptation of users' information needs. Most of data involved in these interactions consists of multimedia information that needs to be identified, described and managed efficiently in order to be retrieved and shared on the web...
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