Keyphrases
- metadata
- database
- database management systems
- digital libraries
- databases
- database systems
- dublin core
- data model
- metadata extraction
- multimedia
- metadata management
- database management
- data types
- learning objects
- multimedia content
- open access
- metadata standards
- learning resources
- data management
- relational dbms
- data processing
- query language
- query processing
- data base management systems
- scientific publications
- semantic information
- metadata schema
- earth science
- stream processing
- search interface
- heterogeneous data
- digital objects
- data integration
- database applications
- relational databases
- e learning
- data sets