Keyphrases
- keyword search
- proxy re encryption
- public key encryption
- keywords
- search engine
- relational databases
- structured data
- xml keyword search
- xml databases
- xml documents
- search queries
- keyword queries
- identity based encryption
- xml data
- proximity search
- cca secure
- database
- web search engines
- query keywords
- security protocols
- keyword search over relational databases
- web search
- query language
- machine learning
- data warehouse
- information extraction