Keyphrases
- xml documents
- xml data
- access control
- computer security
- markup language
- security policies
- information security
- xml databases
- xml schema
- data model
- statistical databases
- data exchange
- metadata
- xml format
- semi structured data
- security systems
- xml queries
- security issues
- databases
- intrusion detection
- object oriented
- relational databases
- network security
- object oriented databases
- security level
- security threats
- data integration
- security requirements
- xpath queries
- database