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  • 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
  • d2rq - D2RQ - Language Specification
    http://www.wiwiss.fu-berlin.de/suhl/bizer/D2RQ/0.1
    This document specifies the D2RQ mapping language. D2RQ is a declarative language to describe mappings between relational database schemata and OWL/RDFS ontologies. @en
  • rr - RDB to RDF Mapping Language Schema
    http://www.w3.org/ns/r2rml#
    A vocabulary which can be used to specify a mapping of relational data to RDF. @en
  • s4grid - SAREF4GRID: an extension of SAREF for the Smart Grid domain
    https://saref.etsi.org/saref4grid/
    The development of the SAREF4GRID ontology has been partially funded by the IA4TES project (MIA.2021.M04.0008), funded by the Spanish Ministry of Economic Affairs and Digital Transformation and by the NextGenerationEU program @en
  • eccrev - RDF changes and revisions vocabulary
    https://vocab.eccenca.com/revision/
    A vocabulary & data model for describing RDF changes and revisions. It defines the Commit & Revision classes together with their expected properties. @en
  • och - OWL Change Ontology
    https://w3id.org/def/och#
    An ontology for describing changes between OWL ontology versions @en
  • dsv - Data Specification Vocabulary
    https://w3id.org/dsv#
    Data Specification Vocabulary (DSV) is a vocabulary for describing semantic data specifications, namely vocabularies and application profiles. @en
  • ontouml - OntoUML Metamodel Vocabulary
    https://w3id.org/ontouml
    A reference implementation of the OntoUML metamodel in OWL. @en
  • rdfp - The RDF Presentation ontology
    https://w3id.org/rdfp/
    ## RDF Presentation and RDF Presentation Negotiation An RDF graph can be presented in several ways, using different media types. Examples of RDF media types include `application/rdf+xml`, `text/turtle`, `application/json+ld`. Today, most of the content consumed/produced/published, on the Web is not presented in RDF. In the Web of Things, HTTP servers and clients would rather exchange lightweight documents, potentially binary. Currently, most existing RDF Presentations generically apply to any RDF graph, at the cost of being heavy text-based documents. Yet, lightweight HTTP servers/clients could be better satisfied with consuming/producing/publishing lightweight documents, may its structure be application-specific. @en
  • stax - RDF Stream Taxonomy (RDF-STaX)
    https://w3id.org/stax/ontology
    RDF-STaX is an OWL 2 DL ontology that enables describing the types of RDF streams and defines relations between them. @en
  • rml-core
    http://w3id.org/rml/core
  • rml-fnml
    http://w3id.org/rml/fnml/
  • jsonsc - JSON Schema in RDF
    https://www.w3.org/2019/wot/json-schema#
    Module for data schema specifications, part of the W3C Web of Things (WoT) Thing Description model @en
  • rml-io
    http://w3id.org/rml/io/
  • rml-cc
    http://w3id.org/rml/cc/