Keyphrases
- databases
- database
- database queries
- data retrieval
- data sources
- web databases
- indexing techniques
- query processing
- response time
- query evaluation
- database objects
- query interface
- query language for xml
- query expansion
- knowledge discovery
- data model
- database systems
- text databases
- user queries
- data structure
- database applications
- heterogeneous databases
- deep web
- search queries
- relational databases
- query formulation
- data management
- probabilistic model
- query patterns
- keywords
- statistical databases
- complex queries
- data objects
- multi dimensional
- vector space
- retrieval systems
- data integration
- similarity search
- xml data