Semantic Graph, Gql, Graph Theory, Knowledge, Ontology.
was published in 2004, the RDF 1.1 specification in 2014. The main RDF concepts are the following. An RDF graph is a set of RDF triples. A RDF triple consists of three components: 1) the subject, which is an IRI or a blank node 2) the predicate, which is an IRI 3) the object, which is an IRI, a