The Expressive Power of Multi-parent Creation in Monotonic Access Control Models.
Paul AmmannRichard J. LiptonRavi S. SandhuPublished in: J. Comput. Secur. (1996)
Keyphrases
- expressive power
- access control models
- user defined aggregates
- access control
- first order logic
- query language
- data complexity
- computational properties
- relational algebra
- privacy aware
- transitive closure
- data mining
- relational calculus
- role based access control
- database security
- databases
- security issues
- data management
- knowledge representation