Keyphrases
- information retrieval
- latent semantic indexing
- information retrieval systems
- search engine
- language model
- language modeling
- word sense disambiguation
- text mining
- question answering
- learning to rank
- information access
- vector space model
- information filtering
- retrieval model
- document retrieval
- relevant documents
- query expansion
- information extraction
- language processing
- information retrieval evaluation
- text retrieval
- query terms
- vector space
- website
- multimedia