Keyphrases
- keyword search
- relational databases
- relational data
- structured data
- relational model
- xml databases
- search engine
- xml documents
- xml data
- keywords
- search queries
- xml keyword search
- keyword queries
- logic programming
- data model
- logic programs
- semantic search
- query language
- functional dependencies
- databases
- database schema
- proximity search
- object oriented
- normal form
- entity relationship
- proxy re encryption
- web search engines
- multi relational
- access control
- query keywords
- database systems
- data sets
- semistructured databases
- keyword search in relational databases