This is a unique, top-level Class URI for various Semantic Web entailment regimes. Instances include Simple entailment, RDF, RDFS, and D entailments, entailments with Direct and RDF Based Semantics of OWL, and RIF entailment. For the specific entailment regimes, use these URI-s:
http://www.w3.org/ns/entailment/Simple)http://www.w3.org/ns/entailment/RDF)http://www.w3.org/ns/entailment/RDFS)http://www.w3.org/ns/entailment/D)http://www.w3.org/ns/entailment/OWL-Direct)http://www.w3.org/ns/entailment/OWL-RDF-Based)http://www.w3.org/ns/entailment/RIF)