Keyphrases
- information retrieval
- information retrieval systems
- text mining
- document collections
- search engine
- information access
- test collection
- retrieval model
- knowledge discovery
- relevance feedback
- query expansion
- information filtering
- question answering
- document retrieval
- ir evaluation
- information seeking
- language modeling
- real time
- text classification
- information extraction
- artificial neural networks
- database systems
- case study
- multimedia
- artificial intelligence
- genetic algorithm
- databases
- data sets