Keyphrases
- image database
- information retrieval
- formal semantics
- efficient retrieval
- information retrieval systems
- logic programming
- retrieval model
- query expansion
- semantic information
- document retrieval
- operational semantics
- structured documents
- conceptual graphs
- multimedia databases
- retrieval systems
- relevance feedback
- low level
- image retrieval
- neural network
- conceptual model
- higher level
- retrieval method
- average precision
- retrieval process
- storage and retrieval
- high level
- metadata
- similarity matching