Keyphrases
- privacy preserving
- keyword search
- proxy re encryption
- homomorphic encryption
- encrypted data
- sensitive data
- encryption scheme
- data privacy
- ciphertext
- keywords
- standard model
- search engine
- relational databases
- privacy preserving data mining
- structured data
- cloud computing
- xml documents
- public key
- sensitive information
- private information
- security model
- xml data
- web search engines
- query language
- third party
- data sharing
- security analysis
- databases
- privacy protection
- privacy concerns
- service providers