Keyphrases
- query processing
- query evaluation
- database
- user queries
- response time
- query expansion
- data structure
- user interaction
- database queries
- range queries
- databases
- retrieval method
- computer networks
- user defined
- relevance feedback
- database systems
- result set
- original query
- vector space
- network structure
- image database
- keywords
- bayesian networks
- complex queries