Data structures using Pascal
Journal of Algorithms
Data Structures for Range Searching
ACM Computing Surveys (CSUR)
Information retrieval: information storage and retrieval using AVL trees
ACM '65 Proceedings of the 1965 20th national conference
Performance analysis of BSTs in system software
Proceedings of the joint international conference on Measurement and modeling of computer systems
Import/export in digital rights management
Proceedings of the 4th ACM workshop on Digital rights management
Modeling and implementation of digital rights
Journal of Systems and Software
Fairer usage contracts for DRM
Proceedings of the 5th ACM workshop on Digital rights management
Enforcing DRM policies across applications
Proceedings of the 8th ACM workshop on Digital rights management
Digital rights management architectures
Computers and Electrical Engineering
Privacy preserving multiparty multilevel DRM architecture
CCNC'09 Proceedings of the 6th IEEE Conference on Consumer Communications and Networking Conference
An efficient access control method for multimedia social networks
Proceedings of second ACM SIGMM workshop on Social media
A geometric approach for efficient licenses validation in DRM
SDM'10 Proceedings of the 7th VLDB conference on Secure data management
Efficient aggregate licenses validation in DRM
DASFAA'10 Proceedings of the 15th international conference on Database Systems for Advanced Applications - Volume Part II
Aggregate licenses validation for digital rights violation detection
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP) - Special Issue on Multimedia Security
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Multiparty multilevel DRM architecture (MPML-DRM-A) involves multiple parties such as owner, multiple levels of distributors and consumers. The owner issues redistribution licenses to its distributors, who in turn generate and issue variations of these redistribution licenses to their sub-distributors. Also the distributors generate and issue usage licenses to the consumers to consume the contents. But, these variations of the redistribution licenses and usage licenses generated and issued by each distributor must be validated by a validation authority against the redistribution licenses that it has received. In MPML-DRM-A, there may exist multiple, different types of redistribution licenses for a content. Validation using multiple redistribution licenses may become difficult in real time. Further, storage of multiple redistribution licenses for validation presents a challenge of reducing storage space requirements. Hence, in this paper we propose a bit-vector transform based license organizing structure, and present a method to do the validation of issued licenses in the bit-vector transform domain efficiently. Experimental results show that our license organization structure helps to achieve low validation time and storage space complexity.