PCTopk: Privacy-and Correctness-Preserving Functional Top-k Query on Un-trusted Data Storage in Two-Tiered Sensor Networks.
Yao-Tung TsouYung-Li HuYennun HuangSy-Yen KuoPublished in: SRDS (2014)
Keyphrases
- sensor networks
- data storage
- aggregation queries
- query processing
- data management
- communication cost
- sensitive data
- relational database systems
- wireless sensor networks
- database management systems
- resource constrained
- energy consumption
- data streams
- sensor data
- database
- sensor nodes
- personal information
- response time
- mobile sensor networks
- routing protocol
- range queries
- encrypted data
- privacy preserving
- distributed environment
- database systems
- aggregate queries
- heterogeneous sensor networks
- data integrity
- query execution
- sensitive information
- database queries
- b tree
- data sets
- statistical databases
- security mechanisms
- index structure
- management system
- databases