Keyphrases
- multi user
- multi granularity
- virtual environment
- virtual world
- augmented reality
- user interface
- security policies
- multiple users
- single user
- information security
- multi touch
- security requirements
- computer security
- access control
- statistical databases
- security systems
- security level
- intrusion detection
- network security
- security issues
- smart objects
- situation awareness
- virtual reality
- wireless sensor networks