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  • is - Info Service Ontology
    http://purl.org/ontology/is/core#
    The Information Service Ontology specification provides basic concepts and properties for describing different information services, e.g. Wikipedia, MusicBrainz, Freebase @en
  • reco - RECommendations Ontology
    http://purl.org/reco#
    The RECO ontology defines the vocabulary for representing preferences-as-constraints and preferences-as-ratings as RDF graphs. This lightweight vocabulary provides domain-independent means to describe user profiles in a coherent and context-aware way. RECO has been designed as an extension of both Friend-Of-A-Friend (FOAF) and Who Am I! (WAI) ontologies. @en
  • sou - QUDT VOCAB Systems of Units Release 2.1.34
    http://qudt.org/2.1/vocab/sou
    QUDT VOCAB Systems of Units Release 2.1.34 @en
  • qudt - Quantities, Units, Dimensions and Types
    http://qudt.org/schema/qudt
    The QUDT, or 'Quantity, Unit, Dimension and Type' collection of ontologies define the base classes properties, and restrictions used for modeling physical quantities, units of measure, and their dimensions in various measurement systems. @en
  • geosp - GeoSpecies Ontology
    http://rdf.geospecies.org/ont/geospecies
    The GeoSpecies Ontology is used to describe geographical distribution of living species. @en
  • disco - DDI-RDF Discovery Vocabulary
    http://rdf-vocabulary.ddialliance.org/discovery
    A metadata vocabulary for documenting research and survey data @en
  • idemo - Demographic ontology from the French Statistics Institute
    http://rdf.insee.fr/def/demo
    Ontology with classes and properties used for demography, mostly in the census of the population @en
  • reegle - Renewable Energy and Energy Efficiency
    http://reegle.info/schema
    Vocabulary used to describe clean energy actors, projects and technologies @en
  • ac - Core terms defined by Audubon Core
    http://rs.tdwg.org/ac/terms/
    This term list includes all currently valid terms that have been defined in the core Audubon Core namespace ac:. @en
  • mv - MobiVoc: Open Mobility Vocabulary
    http://schema.mobivoc.org/
    Our goal is to significantly improve the data mobility between all stakeholders by providing a standardized vocabulary using Semantic Web technologies and ontologies. For the open vocabulary covering various mobility aspects we use RDF (Resource Description Framework) - a recommended specification of the World Wide Web Consortium (W3C) and the so-called lingua franca for the integration of data and web. We invite everyone who is interested to join our MobiVoc initiative and to participate in the development of the Open Mobility Vocabulary. @en
  • odv - Organogram Data Vocabulary
    http://reference.data.gov.uk/def/organogram
    Extension of data cube for civil service junior posts @en
  • ha - Home Activity
    http://sensormeasurement.appspot.com/ont/home/homeActivity#
    An ontology to detect activity in a smart home @en
  • rsctx - Recommender System Context
    http://softeng.polito.it/rsctx
    This ontology represent context which may be interesting in providing recommendations to users. @en
  • taxref-ld - TAXREF-LD Ontology
    http://taxref.mnhn.fr/lod/taxref-ld
    Representation of the TAXREF taxonomic register as linked data. This resource is at the same time an ontology of classes depicting the taxa and a thesaurus (SKOS concept scheme) of the scientific names attached to the taxa. @en
  • bot - BotDCAT-AP - Data Catalogue vocabulary Application Profile for chatbots
    http://swa.cefriel.it/ontologies/botdcat-ap
    A vocabulary to describe data sources in a way they can be easily reused and accessed by chatbots. @en