Keyphrases
- related problems
- keyword search
- structured databases
- search engine
- structured data
- relational databases
- keywords
- xml databases
- keyword queries
- xml keyword search
- xml documents
- search queries
- broadly applicable
- semantic search
- proximity search
- keyword search over relational databases
- inverted index
- keyword search in relational databases
- semi structured
- faceted search
- semistructured databases
- xml data
- proxy re encryption
- search interface
- semantic tags
- query keywords
- machine learning
- query language