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xsd - XML Schema http://www.w3.org/2001/XMLSchema The XML Schema representation @en -
owl - The OWL 2 Schema vocabulary http://www.w3.org/2002/07/owl This ontology partially describes the built-in classes and properties that together form the basis of the RDF/XML syntax of OWL 2. @en -
dcat - Data Catalog Vocabulary http://www.w3.org/ns/dcat DCAT is an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web @en -
skosxl - SKOS eXtension for Labels http://www.w3.org/2008/05/skos-xl SKOS-XL defines an extension for the Simple Knowledge Organization System, providing additional support for describing and linking lexical entities. @en -
cnt - Representing Content in RDF http://www.w3.org/2011/content Representing Content in RDF as defined by http://www.w3.org/TR/Content-in-RDF/ @en -
csvw - CSV on the Web Vocabulary http://www.w3.org/ns/csvw# This document describes the RDFS vocabulary description used in the Metadata Vocabulary for Tabular Data along with the default JSON-LD Context. @en -
prof - Profiles Vocabulary http://www.w3.org/ns/dx/prof This vocabulary is for describing relationships between standards/specifications, profiles of them and supporting artifacts such as validating resources. This model starts with [http://dublincore.org/2012/06/14/dcterms#Standard](dct:Standard) entities which can either be Base Specifications (a standard not profiling any other Standard) or Profiles (Standards which do profile others). Base Specifications or Profiles can have Resource Descriptors associated with them that defines implementing rules for the it. Resource Descriptors must indicate the role they play (to guide, to validate etc.) and the formalism they adhere to (dct:format) to allow for content negotiation. A vocabulary of Resource Roles are provided alongside this vocabulary but that list is extensible. @en -
hydra - The Hydra Core Vocabulary http://www.w3.org/ns/hydra/core A lightweight vocabulary for hypermedia-driven Web APIs @en -
mls - Machine Learning Schema http://www.w3.org/ns/mls ML-Schema is a collaborative, community effort with a mission to develop, maintain, and promote standard schemas for data mining and machine learning algorithms, datasets, and experiments @en -
prov - W3C PROVenance Interchange http://www.w3.org/ns/prov# The namespace name http://www.w3.org/ns/prov# is intended for use with the PROV family of documents that support the interchange of provenance on the web. @en -
org - Core organization ontology http://www.w3.org/ns/org# Vocabulary for describing organizational structures, specializable to a broad variety of types of organization. @en -
rdfa - RDFa Vocabulary for Term and Prefix Assignment, and for Processor Graph Reporting http://www.w3.org/ns/rdfa# This document describes the RDFa Vocabulary for Term and Prefix Assignment. The Vocabulary is used to modify RDFa 1.1 processing behavior @en -
rdft - The RDF 1.1 Test Vocabulary http://www.w3.org/ns/rdftest This is a vocabulary document and is used to define classes and properties used in RDF 1.1 Test Cases and associated test manifests. The URI of the vocabulary is http://www.w3.org/ns/rdftest# (abbreviated by rdft: in this document). Turtle and an JSON-LD versions of the vocabulary are also available. The vocabulary is published by W3C. @en -
sh - W3C Shapes Constraint Language (SHACL) Vocabulary http://www.w3.org/ns/shacl# This vocabulary defines terms used in SHACL, the W3C Shapes Constraint Language. @en -
sd - SPARQL 1.1 Service Description http://www.w3.org/ns/sparql-service-description A vocabulary for describing SPARQL services made available via the SPARQL 1.1 Protocol for RDF. These descriptions provide a mechanism by which a client or end user can discover information about the SPARQL service such as supported extension functions and details about the available dataset. @en