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log - SWAP Logic Ontology http://www.w3.org/2000/10/swap/log An historical ontology used by the cwm command-line tool back in the very early days of the semantic web (~ 2000- 2003 ?) @en -
fresnel - Fresnel Lens and Format Core Vocabulary http://www.w3.org/2004/09/fresnel OWL Full vocabulary for defining lenses and formats on RDF models. @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 -
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 -
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 -
ssn - Semantic Sensor Network Ontology http://www.w3.org/ns/ssn/ This ontology describes sensors, actuators and observations, and related concepts. It does not describe domain concepts, time, locations, etc. these are intended to be included from other ontologies via OWL imports. @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 -
tfo - Transformation Functions Ontology https://privatealpha.com/ontology/transformation/1# This document describes functions which transform HTTP representations, i.e., the actual literal payloads of HTTP messages. @en -
ce - CityExplorer Ontology https://purl.org/cityexplorer This ontology models personalized tourist experiences by representing cities, points of interest, events, accommodations, restaurants, transportation, and their relationships. This ontology is part of a university project. @en -
edifact-o - EDIFACT Ontology https://purl.org/edifact/ontology An Ontology for representing EDIFACT Messages. @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