Keyphrases
- routing protocol
- privacy preserving
- sensor networks
- range queries
- wireless sensor networks
- multi dimensional
- energy consumption
- index structure
- privacy preserving data mining
- r tree
- vertically partitioned data
- sensor data
- sensor nodes
- query processing
- multi party
- data collection
- knn
- data streams
- communication cost
- base station
- private information
- privacy protection
- sensitive data
- data storage
- external memory
- data privacy
- data structure
- privacy concerns
- sensitive information
- data cube
- file system