Keyphrases
- text retrieval
- document collections
- test collection
- cross language
- information retrieval
- document retrieval
- cross language information retrieval
- retrieval systems
- probabilistic model
- image retrieval
- query expansion
- bayesian networks
- inverted file
- multimedia retrieval
- retrieval model
- automatic query expansion
- latent semantic indexing
- retrieval quality
- keyword extraction
- information retrieval systems
- blind relevance feedback
- text queries
- multimedia
- digital libraries
- databases
- high dimensional