Keyphrases
- web search engines
- relevance feedback
- feature weighting
- optimization algorithm
- web pages
- user feedback
- global optimization
- relative importance
- information retrieval systems
- image retrieval
- linear combination
- constrained optimization
- query expansion
- active learning
- weighting scheme
- weighted sum
- document retrieval
- genetic algorithm
- optimization problems
- image search
- low level features
- optimization method
- simulated annealing
- probabilistic model
- retrieval framework
- discrete optimization