Keyphrases
- information retrieval
- clef ip
- question answering
- test collection
- retrieval effectiveness
- filtering algorithm
- median filter
- filtering process
- filtering method
- relevance feedback
- information retrieval systems
- information filtering
- neural network
- relevance judgments
- natural language processing
- image filtering
- adaptive filtering
- topic detection and tracking
- website
- biomedical information retrieval
- blog opinion retrieval