Keyphrases
- information retrieval
- information retrieval systems
- information filtering
- retrieval model
- computer science
- viewpoint
- text mining
- retrieval effectiveness
- retrieval systems
- artificial intelligence
- search engine
- information extraction
- query expansion
- computational linguistics
- term weighting
- data sets
- image retrieval
- question answering
- test collection
- cross disciplinary
- information seeking
- language model
- relevance feedback
- information technology
- similarity measure