Keyphrases
- metadata
- digital preservation
- digital objects
- digital libraries
- long term preservation
- open access
- metadata standards
- database
- multimedia
- structured data
- earth science
- information resources
- environmental data
- metadata management
- dublin core
- resource discovery
- information management
- learning resources
- data warehouse
- semantic metadata
- metadata extraction
- metadata elements
- digital archives
- semantic data
- long term
- database systems
- learning algorithm
- data mining