Keyphrases
- information retrieval
- information retrieval systems
- search engine
- information access
- test collection
- text mining
- consistency checking
- language model
- information extraction
- ir evaluation
- text processing
- information filtering
- vector space model
- learning to rank
- document collections
- search algorithm
- computer vision
- knowledge discovery
- probabilistic model
- question answering
- expert systems
- retrieval effectiveness
- database systems
- information systems
- language processing
- genetic algorithm
- computational linguistics
- machine learning
- database