Keyphrases
- information retrieval
- image database
- document retrieval
- relevance feedback
- information retrieval systems
- test collection
- content based retrieval
- multimedia databases
- retrieval model
- retrieval systems
- retrieval accuracy
- efficient retrieval
- shape retrieval
- automatic indexing
- similarity matching
- neural network
- real time
- data retrieval
- retrieval engine
- average precision
- vector space
- text categorization
- feature vectors
- image retrieval
- multiscale
- website
- data sets