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  • 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
  • wo - Weighting Ontology
    http://purl.org/ontology/wo/core#
    The Weighting Ontology specification provides a vocabulary for describing weightings and their referenced scales, on/ for the Semantic Web. @en
  • ofrd - Fridge and Freezer Vocabulary
    http://purl.org/opdm/refrigerator#
    Vocabulary to describe fridges and freezers @en
  • vann - VANN: A vocabulary for annotating vocabulary descriptions
    http://purl.org/vocab/vann/
    A vocabulary for annotating descriptions of vocabularies with examples and usage notes. @en
  • voaf - Vocabulary of a Friend
    http://purl.org/vocommons/voaf
    A vocabulary to describe linked data vocabularies and their relations @en
  • vvo - Volkswagen Vehicles Ontology
    http://purl.org/vvo/ns#
    A vocabulary for describing Volkswagen-specific features of automobiles and their components @en
  • ro - The Research Object Ontology
    http://purl.org/wf4ever/ro
    This ontology shows how AO and ORE ontologies can be used together to define a ResearchObject. This ontology is further customized by the wf4ever ontology. @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
  • 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
  • donto - Dataset Ontology
    http://reference.data.gov.au/def/ont/dataset
    The data.gov.au Dataset Ontology is an OWL ontology designed to describe the characteristics of datasets published on data.gov.au. The ontology contains elements which describe the publication, update, origin, governance, spatial and temporal coverage and other contextual information about the dataset. The ontology also covers aspects of organisational custodianship and governance. By using this ontology to describe datasets on data.gov.au publishers increase discoverability and enable the consumption of this information in other applications/systems as Linked Data. It further enables decentralised publishing of catalogs and facilitates federated dataset search across sites, e.g. in datasets that are published by the States. Other publishers of Linked Data may make assertions about data published using this ontology, e.g. they may publish information about the use of the dataset in other applications. @en
  • rdag3 - RDA Group 3 Elements
    http://rdvocab.info/ElementsGr3
    This group of RDA elements defines preferred and variant names for concepts, places and events @en
  • rdarel - RDA Relationships for Works, Expressions, Manifestations, Items
    http://rdvocab.info/RDARelationshipsWEMI
    A vocabulary defining a large variety of specific relationships between the various levels of the FRBR pile. @en
  • rdag1 - RDA Group 1 Elements
    http://rdvocab.info/Elements
    This is the provisional registration of the RDA Group 1 Element Vocabulary, managed by the DCMI/RDA Task Group. @en