Keyphrases
- metadata
- digital libraries
- multiple views
- database
- metadata extraction
- databases
- multimedia
- dublin core
- single view
- neural network
- learning objects
- structured data
- metadata management
- metadata creation
- metadata elements
- metadata standards
- information resources
- data mining
- semantic web technologies
- heterogeneous data
- resource discovery
- earth science
- multimedia content
- data integration
- scientific publications
- web search
- data warehouse