Keyphrases
- access control
- role based access control
- security mechanisms
- access control models
- xml documents
- data security
- xml data
- data model
- security policies
- security requirements
- information security
- rbac model
- markup language
- security issues
- role based access control model
- xml databases
- data exchange
- access control policies
- xml schema
- relational databases
- fine grained
- resource constrained
- data integration
- intrusion detection
- database security
- security model
- metadata
- object oriented
- xml format
- digital rights management
- databases
- access control systems
- multi domain
- statistical databases