Keyphrases
- rdf data
- semantic web
- linked data
- sparql queries
- rdf graphs
- data model
- query language
- storage and retrieval
- resource description framework
- logic programming
- classical logic
- modal logic
- proof theory
- query engine
- linked open data
- data integration
- graph databases
- data sources
- predicate logic
- topic maps
- databases
- formal semantics
- multi valued
- expert systems
- web resources
- xml format
- rdf triples
- data sets