Keyphrases
- image database
- information retrieval
- document retrieval
- efficient retrieval
- information retrieval systems
- training process
- retrieval model
- training set
- retrieval systems
- data sets
- feature space
- query expansion
- training examples
- computer software
- test collection
- test set
- online learning
- supervised learning
- case based reasoning
- relevance feedback
- support vector
- artificial intelligence