Keyphrases
- metadata
- digital libraries
- dublin core
- multimedia
- databases
- metadata extraction
- learning objects
- data sets
- metadata management
- structured data
- database
- search tools
- resource discovery
- metadata records
- metadata elements
- environmental data
- digital documents
- dublin core metadata
- earth science
- semantic search
- digital content
- semantic web technologies
- information resources
- learning resources
- data management
- data warehouse
- end users
- case study