Keyphrases
- databases
- database
- database queries
- query processing
- data sources
- data retrieval
- indexing techniques
- heterogeneous databases
- web databases
- response time
- user queries
- data structure
- query interface
- query formulation
- text databases
- video games
- game theory
- data management
- knowledge discovery
- keywords
- database systems
- query evaluation
- data objects
- query expansion
- relational databases
- retrieval systems
- document collections
- search queries
- nash equilibrium
- user interaction
- retrieval method
- result set
- data model