Keyphrases
- metadata
- digital libraries
- relational databases
- relational data
- data model
- metadata extraction
- attribute values
- databases
- multimedia content
- relational model
- database schema
- search tools
- resource discovery
- learning objects
- multimedia
- metadata management
- database systems
- database
- statistical relational learning
- statistical information
- relational learning
- multi relational
- metadata schema
- entity relationship
- information resources
- learning resources
- data warehouse
- structured data