Keyphrases
- metadata
- digital libraries
- metadata standards
- multimedia
- metadata management
- databases
- dublin core
- search tools
- information resources
- semantic metadata
- learning resources
- statistical knowledge network
- metadata extraction
- semantic search
- learning objects
- database
- human beings
- data warehouse
- earth science
- data model
- open access
- website
- search engine
- genetic algorithm
- neural network
- data sets