Keyphrases
- information retrieval
- test collection
- e learning
- case study
- question answering
- clef ip
- real time
- ad hoc retrieval
- machine learning
- relevance feedback
- retrieval effectiveness
- engineering students
- blog opinion retrieval
- biomedical information retrieval
- ir evaluation
- stanford university
- expert search
- intellectual property
- state university
- genetic algorithm
- neural network