Keyphrases
- public key encryption
- proxy re encryption
- keyword search
- standard model
- relational databases
- search engine
- identity based encryption
- structured data
- keywords
- cca secure
- security model
- xml documents
- xml data
- xml keyword search
- keyword queries
- public key
- encryption scheme
- security analysis
- ciphertext
- web search engines
- query language
- keyword search over relational databases
- database
- data model
- data integration
- data sources