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The video services of most Access Grid (AG) toolkits still only employ outdated Video Conferencing Tool to transmit real-time video, and hardly have efficacious way to mix the 3D graphics model of grid results and the live videos of AG session into one scene for grid users' collaborations. This paper introduces the research work about augmented video services (AVS) of CGAG (ChinaGrid Access Grid) based on the AG framework. It shows up a reasonable way on providing augmented video services in an advanced Access Grid environment, and also a new approach to share grid resources in Grid applications. At the end of this paper, a typical sample is given to demonstrate the capabilities of this AVS, and the result proves that it yields superior quality compared to the traditional webpage of grid portal and usual interaction modals of AG. [ABSTRACT FROM AUTHOR]

UDMGrid (University Digital Museum Grid) is devoted to the integration and sharing of resources from various university digital museums whose main carriers of resources are heterogeneous databases dispersed throughout CERNET. This paper presents the UDMGrid-DAI for database access and integration in UDMGrid. It merges decades of various databases in UDMGrid into several virtual databases oriented some certain domains, and provide consistent access interface and uniform logic view of these databases for the developer of grid applications. [ABSTRACT FROM AUTHOR]