Keyphrases
- feature selection
- polyphonic music
- music retrieval
- content based retrieval
- information retrieval
- feature set
- image database
- support vector
- multimedia databases
- dimensionality reduction
- query expansion
- test collection
- text classification
- retrieval systems
- text categorization
- image retrieval
- information retrieval systems
- image features
- knn
- hidden markov models