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  • dbpedia-owl - The DBpedia Ontology
    http://dbpedia.org/ontology/
    The DBpedia ontology provides the classes and properties used in the DBpedia data set. @en
  • ecrm - Erlangen CRM / OWL
    http://erlangen-crm.org/current/
    Erlangen CRM / OWL - An OWL DL 1.0 implementation of the CIDOC Conceptual Reference Model, based on: Nick Crofts, Martin Doerr, Tony Gill, Stephen Stead, Matthew Stiff (eds.): Definition of the CIDOC Conceptual Reference Model (http://cidoc-crm.org/). This implementation has been originally created by Bernhard Schiemann, Martin Oischinger and Günther Görz at the Friedrich-Alexander-University of Erlangen-Nuremberg, Department of Computer Science, Chair of Computer Science 8 (Artificial Intelligence) in cooperation with the Department of Museum Informatics of the Germanisches Nationalmuseum Nuremberg and the Department of Biodiversity Informatics of the Zoologisches Forschungsmuseum Alexander Koenig Bonn. The Erlangen CRM / OWL implementation of the CIDOC Conceptual Reference Model is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License. @en
  • dso - Data Structure Ontology
    http://inference-web.org/2.0/ds.owl
    This ontology offers OWL-Lite definition for object list. It is a restricted version of OWL-S ObjectList @en
  • iso37120 - ISO 37120 indicator URIs
    http://ontology.eil.utoronto.ca/ISO37120.owl
    ISO 37120 – Sustainable Development and Resilience of Communities – Indicators for City Services and Quality of Life (under TC268) http://ontology.eil.utoronto.ca/ISO37120.html This OWL file defines a class for each indicator defined in the ISO 37120 standard. Names for each indicator are provided. Text definitions are provided only for Economy, Education and Energy indicators, due to copyright restrictions imposed by ISO. This file is meant to provide a single URI for each indicator. An ontology for representing an indicator's supporting data plus meta information such as provenance, validity and trust can be found in: http://ontology.eil.utoronto.ca/GCI/Foundation/GCI-Foundation.owl Documentation of the ontology can be found in: http://eil.utoronto.ca/smartcities/papers/GCI-Foundation-Ontology.pdf @en
  • ov - OpenVocab
    http://open.vocab.org/terms
    OpenVocab is a community maintained vocabulary intended for use on the Semantic Web, ideal for properties and classes that don't warrant the effort of creating or maintaining a full schema. OpenVocab allows anyone to create and modify vocabulary terms using their web browser. @en
  • ucum - Units of measurement ontology
    http://purl.oclc.org/NET/muo/ucum/
    The instances of this ontology have been automatically generated from the UCUM (The Unified Code for Units of Measure). See http://aurora.rg.iupui.edu/UCUM/ for more details on UCUM. The members of the MyMobileWeb consortium explicitly acknowledge the copyright of the data from the UCUM ontology. @en
  • dcam - DCMI Abstract Model
    http://purl.org/dc/dcam/
    An abstract model for Dublin Core metadata @en
  • dctype - DCMI Type Vocabulary
    http://purl.org/dc/dcmitype/
    The DCMI Type Vocabulary provides a general, cross-domain list of approved terms that may be used as values for the Resource Type element to identify the genre of a resource. @en
  • gufo - gUFO: A Lightweight Implementation of the Unified Foundational Ontology (UFO)
    http://purl.org/nemo/gufo#
    The objective of gUFO is to provide a lightweight implementation of the Unified Foundational Ontology (UFO) [1-5] suitable for Semantic Web OWL 2 DL applications. Intended users are those implementing UFO-based lightweight ontologies that reuse gUFO by specializing and instantiating its elements. There are three implications of the use of the term lightweight. First of all, we have employed little expressive means in an effort to retain computational properties for the resulting OWL ontology. Second, we have selected a subset of UFO-A [1, 2] and UFO-B [3] to include here. In particular, there is minimalistic support for UFO-B (only that which is necessary to establish the participation of objects in events and to capture historical dependence between events). Third, a lightweight ontology, differently from a reference ontology, is designed with the purpose of providing an implementation artifact to structure a knowledge base (or knowledge graph). This has driven a number of pragmatic implementation choices which are discussed in comments annotated to the various elements of this implementation. The 'g' in gUFO stands for gentle. At the same time, "gufo" is the Italian word for "owl". For the source repository, see: <https://github.com/nemo-ufes/gufo> @en
  • cmo - Conceptual Model Ontology
    http://purl.org/twc/ontologies/cmo.owl
    An ontology to tie classes and properties to SKOS concepts @en
  • schema - Schema.org vocabulary
    http://schema.org/
    Search engines including Bing, Google, Yahoo! and Yandex rely on schema.org markup to improve the display of search results, making it easier for people to find the right web pages. @en
  • dave - Data Value Vocabulary (DaVe)
    http://theme-e.adaptcentre.ie/dave/dave.ttl
    The Data Value Vocabulary (DaVe) is an extensible core vocabulary that allows user to use custom data value dimensions and metrics to characterise data value in a specific context. This flexibility allows for the comprehensive modelling of data value. As a data value model, DaVe allows users to monitor data value as it occurs within a data exploitation or value creation process (data value chain) @en
  • umbel - Upper Mapping and Binding Exchange Layer
    http://umbel.org/umbel
    UMBEL provides a general vocabulary of classes and predicates for describing domain ontologies, with the specific aim of promoting interoperability with external datasets and domains. @en
  • drm - Data Reference Model
    http://vocab.data.gov/def/drm
    A metamodel for government data @en
  • bbccore - BBC Core Concepts
    http://www.bbc.co.uk/ontologies/coreconcepts
    The generic BBC ontology for people, places,events, organisations, themes which represent things that make sense across the BBC. This model is meant to be generic enough, and allow clients (domain experts) link their own concepts @en