Keyphrases
- lightweight
- keyword search
- proxy re encryption
- authentication protocol
- keywords
- search engine
- relational databases
- xml data
- structured data
- xml keyword search
- keyword queries
- xml documents
- standard model
- cloud computing
- data analytics
- xml databases
- keyword search over relational databases
- search queries
- rfid tags
- key distribution
- wireless sensor networks
- proximity search
- inverted index
- web search engines
- query language
- dos attacks
- web search
- database