Keyphrases
- information retrieval
- test collection
- question answering
- retrieval effectiveness
- ad hoc retrieval
- biomedical information retrieval
- expert search
- pseudo relevance feedback
- query expansion
- moving objects
- language model
- relevance feedback
- topic detection and tracking
- video sequences
- knowledge base
- artificial intelligence
- neural network
- ir evaluation
- query performance prediction
- moving platform
- database