Keyphrases
- query evaluation
- query processing
- response time
- database
- user queries
- complex queries
- relevance feedback
- data structure
- data sources
- user defined
- boolean queries
- query formulation
- database queries
- query interface
- databases
- aggregate queries
- retrieval systems
- information retrieval systems
- range queries
- nearest neighbor
- communication cost
- probabilistic model
- retrieval accuracy
- original query
- object retrieval
- data sets