Keyphrases
- information retrieval
- information retrieval systems
- text mining
- search engine
- document retrieval
- specific domains
- information filtering
- relevant documents
- test collection
- databases
- learning to rank
- retrieval systems
- question answering
- relevance feedback
- expert systems
- case study
- social networks
- query expansion
- document collections
- collaborative filtering
- multi agent
- information seeking
- information access
- neural network
- term weighting
- real time