Keyphrases
- sensor networks
- privacy preserving
- range queries
- multi dimensional
- index structure
- wireless sensor networks
- r tree
- privacy preserving data mining
- query processing
- sensor data
- sensor nodes
- data collection
- multi party
- energy consumption
- data privacy
- private information
- data streams
- knn
- privacy protection
- privacy concerns
- sensitive information
- sensitive data
- communication cost
- personal data
- spatial data
- routing protocol
- nearest neighbor
- distributed environment
- smart card