Keyphrases
- probabilistic model
- language model
- information retrieval
- document retrieval
- query expansion
- retrieval accuracy
- contextual information
- test collection
- context sensitive
- retrieval model
- relevance feedback
- image database
- information retrieval systems
- retrieval method
- retrieval systems
- image retrieval
- multimedia retrieval
- retrieval framework
- database
- similarity matching
- content based retrieval
- image data
- case study
- learning algorithm
- automatic indexing
- data sets