Keyphrases
- metadata
- digital libraries
- metadata management
- learning objects
- databases
- multimedia content
- open access
- resource discovery
- information resources
- metadata schema
- dublin core
- search tools
- data warehouse
- metadata elements
- multimedia
- database
- digital photos
- metadata standards
- dublin core metadata
- user generated tags
- digital preservation
- earth science
- search interface
- heterogeneous data
- digital objects
- learning resources
- data sources
- keywords
- data sets