A Key Assignment Scheme for Controlling Access in Partially Ordered User Hierarchies.
Chin-Chen ChangIuon-Chang LinHui-Min TsaiHsiao-Hsi WangPublished in: AINA (2) (2004)
Keyphrases
- partially ordered
- partial order
- partial ordering
- user interface
- user preferences
- totally ordered
- user interaction
- secure communication
- user access
- user model
- end users
- multiple users
- event calculus
- collaborative filtering
- recommender systems
- information retrieval
- user requests
- user authentication
- single user
- interval valued
- web interface
- representation scheme
- propositional logic
- user defined
- web search