Keyphrases
- semantic web
- linked data
- metadata
- relational data
- topic maps
- semantic web data
- data model
- rdf data
- knowledge base
- markup language
- inference control
- data sources
- rdf graphs
- linked open data
- formal semantics
- query language
- structured data
- sparql queries
- dublin core
- owl dl ontologies
- meta information
- database
- graph databases
- domain ontology
- domain knowledge
- query processing
- digital libraries
- machine learning