Keyphrases
- linear programming
- query processing
- query language
- database
- user queries
- linear program
- efficient processing
- database queries
- constraint propagation
- dynamic programming
- response time
- range queries
- databases
- query evaluation
- integrity constraints
- retrieval systems
- data sources
- search queries
- result set
- complex queries
- optimal solution
- probabilistic databases
- boolean queries
- prior art