Keyphrases
- access control
- multimedia content
- multimedia
- multimedia data
- data protection
- fine grained
- digital rights management
- dynamic access control
- data security
- digital content
- security policies
- security mechanisms
- metadata
- content delivery
- access control models
- role based access control
- security model
- access control mechanism
- security requirements
- access control policies
- encryption scheme
- lightweight
- database security
- data sets