Keyphrases
- query processing
- database
- response time
- user defined
- result set
- query expansion
- query result
- skyline queries
- least squares
- scoring functions
- user queries
- retrieval systems
- monte carlo
- query optimization
- aggregate queries
- maximum likelihood
- query evaluation
- query formulation
- efficient processing
- approximate answers
- data structure
- range queries
- database queries
- relevant documents
- query execution
- aggregation queries
- ranking list
- proximity search
- complex queries
- retrieval method
- data distribution
- index structure
- user interaction
- multi dimensional
- relevance feedback
- data sources
- relational databases
- database systems