Keyphrases
- open source
- metadata
- open source software
- digital libraries
- open standards
- databases
- source code
- dublin core
- case study
- learning resources
- metadata elements
- learning objects
- multimedia
- digital content
- metadata standards
- multimedia content
- search tools
- resource discovery
- open source projects
- earth science
- cultural heritage
- statistical information
- e learning
- semantic metadata
- scientific publications
- metadata extraction
- social networks