DOI: 10.1007/978-3-642-11628-5_6
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Abstract: In virtual reality systems which are collaborative and dynamic, i.e. where at run-time mutually interactive objects can be added or removed in different contexts and where their behavior can be modified, the problem of data security and privacy protection is renewed. In such virtual worlds operations on objects should or should not be allowed to users playing particular roles with respect to inter-object interactions. In this paper a method called VR-PR is presented, where privileges are represented by pairs: … Show more

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