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  • geo - WGS84 Geo Positioning
    http://www.w3.org/2003/01/geo/wgs84_pos
    A vocabulary for representing latitude, longitude and altitude information in the WGS84 geodetic reference datum. @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
  • hydra - The Hydra Core Vocabulary
    http://www.w3.org/ns/hydra/core
    A lightweight vocabulary for hypermedia-driven Web APIs @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
  • http - HTTP in RDF
    http://www.w3.org/2011/http
    A namespace for describing HTTP messages (http://www.w3.org/Protocols/rfc2616/rfc2616.html) @en
  • fowl - Food Ontology in OWL
    http://www.w3.org/TR/2003/PR-owl-guide-20031215/food
    Along with Wine Ontology, was used as example in the first OWL Recommendation (February 2004) @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
  • solid - Solid terms
    http://www.w3.org/ns/solid/terms
    Solid terms @en
  • spvqa - Scholarly Papers Vocabulary with Focus on Qualtitative Analysis
    https://bmake.th-brandenburg.de/spv
    The ontology is aimed at the support of research groups in the field of Business Modeling and Knowledge Engineering (BMaKE) in their collaborative work for qualitatively analyzing scholarly papers as well as sharing the results of that analyses and judgements. @en
  • atd - Air Traffic Data
    https://data.nasa.gov/ontologies/atmonto/data#
    Defines concepts related to airport status, including weather, forecasts, and airport operations @en
  • eqp - Aircraft Equipment Vocabulary
    https://data.nasa.gov/ontologies/atmonto/equipment#
    Defines aircraft models, aircraft systems / subsystems, and aircraft characteristics @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
  • airs - Alliance of Information and Referral Services (AIRS) Vocabulary
    https://raw.githubusercontent.com/airs-linked-data/lov/latest/src/airs_vocabulary.ttl#
    The AIRS Linked Open Vocabulary is a way to describe human services information and referral (I&R) concepts. AIRS is the Alliance of Information and Referral Services (airs.org), which possesses over 1,000 member agencies primarily in the United States and Canada. The AIRS LOV is based on the AIRS XML Schema, available at: https://airs-xml.googlecode.com/hg/tags/3.1/airs.xsd @en
  • apco - African Public Contract Ontology
    https://purl.org/cm/onto/apco
    APCO is an ontology that allows the description of public procurement terms @en