Keyphrases
- keyword search
- relational databases
- peer to peer
- xml databases
- xml documents
- xml data
- relational model
- keyword search in relational databases
- database
- search engine
- keyword queries
- databases
- keywords
- relational data
- search queries
- resource discovery
- semantic search
- xml keyword search
- structured data
- normal form
- sql queries
- data sharing
- functional dependencies
- relational database systems
- object oriented
- information retrieval
- keyword search over relational databases
- inverted index
- database schema
- proxy re encryption
- faceted search
- web search engines
- data sets