Towards complexity analysis of User Authorization Query problem in RBAC.
Jianfeng LuJames B. D. JoshiLei JinYiding LiuPublished in: Comput. Secur. (2015)
Keyphrases
- complexity analysis
- access control
- user queries
- user interaction
- role based access control
- query formulation
- relevance feedback
- user defined
- query refinement
- query suggestion
- theoretical analysis
- query processing
- user specifies
- response time
- database
- user preferences
- keywords
- query evaluation
- fine grained
- query expansion
- access control policies
- lower bound
- retrieval process
- user interface
- security policies
- result set
- data structure
- search engine
- initial query
- user feedback
- search queries
- computational complexity
- search logs
- correct answers
- data security
- first order logic
- multiple queries
- interactive search
- data sources