Keyphrases
- keyword search
- search engine
- relational databases
- proximity search
- structured data
- keywords
- xml data
- xml documents
- temporal information
- xml databases
- xml keyword search
- semantic search
- search queries
- keyword queries
- web search engines
- graph databases
- keyword search in relational databases
- database
- keyword search over relational databases
- proxy re encryption
- query language
- graph mining
- inverted index
- data sources