Keyphrases
- lower bound
- upper bound
- database
- response time
- query processing
- objective function
- branch and bound algorithm
- query formulation
- data structure
- relevance feedback
- search algorithm
- database queries
- branch and bound
- worst case
- multi dimensional
- query expansion
- query evaluation
- range queries
- quantum computing
- sample size
- user interaction
- data sources
- keywords
- retrieval systems
- wavelet transform
- np hard
- lower and upper bounds
- databases