Groupware: some issues and experiences
Communications of the ACM
Role-Based Access Control Models
Computer
An access control model supporting periodicity constraints and temporal reasoning
ACM Transactions on Database Systems (TODS)
An access control model for video database systems
Proceedings of the ninth international conference on Information and knowledge management
TRBAC: A temporal role-based access control model
ACM Transactions on Information and System Security (TISSEC)
A Temporal Access Control Mechanism for Database Systems
IEEE Transactions on Knowledge and Data Engineering
A Content-Based Authorization Model for Digital Libraries
IEEE Transactions on Knowledge and Data Engineering
A hierarchical access control model for video database systems
ACM Transactions on Information Systems (TOIS)
Accommodating hybrid retrieval in a comprehensive video database management system
IEEE Transactions on Multimedia
Collaboratively shared information retrieval model for e-learning
ICWL'06 Proceedings of the 5th international conference on Advances in Web Based Learning
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Access control models play an important role in database management systems. In general, there are three basic access control models: Discretionary Access Control (DAC), Mandatory Access Control (MAC), and Non-Discretionary Access Control (NAC). Currently, the majority of commercial DBMSs provide only DAC, and some temporal access control models have been derived based on either DAC or NAC. In the context of video database applications, since the structure of video data is complex in nature, it requires a specific and tailor-made access control mechanism which should include MAC as well as DAC and NAC. However, only few efforts have been put on access control models for video database systems. In this paper, a transitive and temporal access control mechanism for collaborative video database production applications has been proposed, which subsumes the properties of DAC, MAC, and NAC. Moreover, our proposed mechanism is integrated with the intellectual property concerns by constructing an access control hierarchy of video data with authorization rules. In particular, our mechanism can derive novel authorization rules not only on conventional client-data access control, but also on data---data access control. Besides video data, the proposed model is applicable to other data types which exhibit a hierarchical data structure.