Keyphrases
- language model
- cross modal
- document retrieval
- retrieval model
- language modeling
- ad hoc information retrieval
- query expansion
- multi modal
- test collection
- n gram
- information retrieval
- probabilistic model
- query terms
- image retrieval
- multimedia retrieval
- learning process
- multimedia databases
- relevance model
- smoothing methods
- information retrieval systems
- visual similarity
- visual recognition
- mixture model
- pseudo relevance feedback
- text retrieval
- multimedia
- feature selection
- search engine
- multimedia information retrieval
- digital libraries
- retrieval systems
- image classification
- image database