Core RDF data model types.
An RDF literal with a value, datatype, and optional language tag. The datatype is always present per W3C spec (defaults to xsd:string).
A quad is a single directed edge in an RDF dataset.
An RDF dataset is a list of quads.
xsd:string IRI — the default datatype for plain literals.
rdf:langString IRI — the datatype for language-tagged literals.
rdf:type IRI.
rdf:first IRI — used in RDF list encoding.
rdf:rest IRI — used in RDF list encoding.
rdf:nil IRI — the empty list terminator in RDF list encoding.
An RDF term — each value represents a node in the graph.