Keyphrases
- metadata
- semantic web
- linked data
- data sources
- information retrieval
- relational data
- document collections
- databases
- data model
- digital libraries
- linked open data
- knowledge base
- rdf data
- query language
- database
- markup language
- dublin core
- meta information
- global knowledge
- inference control
- information systems
- topic maps
- structured data
- multimedia
- distributed information retrieval
- xml format
- digital collections
- rdf triples