Keyphrases
- sensor networks
- access control
- communication cost
- reduce communication cost
- mobile sensor networks
- wireless sensor networks
- data security
- resource constrained
- dynamic access control
- security policies
- sensor data
- data collection
- security mechanisms
- sensor nodes
- data streams
- directory service
- role based access control
- security model
- distributed systems
- lightweight
- security requirements
- access control policies
- routing protocol
- energy consumption
- rights management
- access control models
- context aware