Generative models for access control policies: applications to role mining over logs with attribution.
Ian M. MolloyYoungja ParkSuresh ChariPublished in: SACMAT (2012)
Keyphrases
- generative model
- access control policies
- access control systems
- access control
- conflict resolution
- probabilistic model
- role based access control
- discriminative learning
- security policies
- discriminative models
- conditional random fields
- hierarchical hidden markov models
- text mining
- distributed environment
- em algorithm
- object categories
- semi supervised
- prior knowledge
- trust negotiation
- knowledge discovery
- data mining
- training data
- topic models
- fine grained
- third party
- data mining techniques
- generative and discriminative models