Zheying Zhang

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The digital rights management (DRM) systems attempt to protect digital content, which is by nature vulnerable to unauthorized distribution and use. The incompatibility of various DRM systems, however, hampers the diffusion of DRM. To increase DRM interoperability, we propose a generic rights model which illustrates the constructs and the relationships of(More)
The incompatibility of various Digital Rights Management (DRM) systems remain as an obstacle hampering user experience and business on DRM based services. To increase DRM interoperability, rights exporting currently seems a preferred solution. Based on an earlier DRM model [8,9], we extend and consolidate the concept of rights adaptation in rights(More)