Keyphrases
- linked data
- compositional semantics
- data model
- query language
- sparql queries
- logic programs
- logic programming
- semantic web
- rdf graphs
- rdf data
- query optimization
- containment of conjunctive queries
- machine learning
- horn clauses
- deductive databases
- real time
- predicate logic
- fixpoint
- artificial intelligence
- query rewriting
- query engine
- knowledge representation
- natural language