Enhancing Spatial Database Access Control by Eliminating the Covert Topology Channel.
Young-Hwan OhHae-Young BaePublished in: ISI (2005)
Keyphrases
- access control
- spatial databases
- spatial data
- fine grained
- data security
- spatial objects
- dynamic access control
- security policies
- r tree
- range queries
- information flow
- data quality
- relational model
- security mechanisms
- access control policies
- access control models
- road network
- rbac model
- role based access control
- b tree
- metadata
- conflict resolution
- security requirements
- multi dimensional