Feb 25, 2014 · The rdf:type property may be used to state that a resource is an instance of a class. RDF distinguishes between a class and the set of its instances. Associated with each class is a set, called the class extension of the class, which is the set of the instances of the class.

RDF Schema (Resource Description Framework Schema, variously abbreviated as RDFS, RDF(S), RDF-S, or RDF/S) is a set of classes with certain properties using the RDF extensible knowledge representation data model, providing basic elements for the description of ontologies.

RDF documents are written in XML. The XML language used by RDF is called RDF/XML. By using XML, RDF information can easily be exchanged between different types of computers using different types of operating systems and application languages. The RDF language is a part of the W3C's Semantic Web Activity.

The Resource Description Framework (RDF) is a method to describe and exchange graph data. It was originally designed as a data model for metadata by the World Wide Web Consortium (W3C). It provides a variety of syntax notations and formats, of which the most widely used is Turtle (Terse RDF Triple Language).

Mar 27, 2025 · RDF 1.2 Concepts introduces key concepts and terminology for RDF 1.2, discusses datatyping, and the handling of fragment identifiers in IRIs within RDF graphs. This section describes the status of this document at the time of its publication.

Mar 31, 2025 · The Resource Description Framework (RDF) is a framework for expressing information about resources. Resources can be anything, including documents, people, physical objects, and abstract concepts. RDF is intended for situations in which information on the Web needs to be processed by applications, rather than being only displayed to people.

Apr 28, 2020 · Classes (rdfs: Class) are used to classify resources. An instance of an rdfs: Class is defined using the predicate rdf: type. For example, we can define that Artist is a class and that Picasso is an instance of the Artist class.

Nov 23, 2023 · That is, when to use rdf:Type vs rdf:subClassOf. I mapped out the RDF, RDFS, and OWL ontologies as a graph in an attempt to understand the pattern and have also read several explanations. Let me start by sharing some links to the diagrams I made, as well as the explanations and why it hasnt reconciled for me. RDF/RDFS Type chart:

Feb 24, 2025 · rdf:type is an instance of rdf:Property that is used to state that a resource is an instance of a class. A triple of the form: R rdf:type C. states that C is an instance of rdfs:Class and R is an instance of C. The rdfs:domain of rdf:type is rdfs:Resource. The rdfs:range of …

Jul 25, 2021 · RDFS, or RDF Schema, is a W3C standard specialized vocabulary for describing RDF vocabularies and data models.