Keyphrases
- information retrieval
- information retrieval systems
- term weighting
- image database
- retrieval accuracy
- relevance feedback
- document retrieval
- query expansion
- efficient retrieval
- retrieval model
- social media
- social networks
- test collection
- retrieval strategies
- image retrieval
- inverse document frequency
- shape retrieval
- similarity matching
- data sets
- average precision
- retrieval method
- text retrieval
- retrieval systems
- query processing
- similarity measure