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  • 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
  • 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
  • cmo - Conceptual Model Ontology
    http://purl.org/twc/ontologies/cmo.owl
    An ontology to tie classes and properties to SKOS concepts @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
  • rdag2 - RDA Group 2 Elements
    http://rdvocab.info/ElementsGr2
    The second group of metadata elements defined by RDA @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
  • sao - SALT Annotation Ontology
    http://salt.semanticauthoring.org/ontologies/sao
    The SALT Annotation Ontology represents the connection layer between the rhetorical and argumentation and the document structure and content @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
  • mdr - The Semantic Turkey metadata registry ontology
    http://semanticturkey.uniroma2.it/ns/mdr
    An application profile of DCAT combining it with other metadata vocabularies (e.g. VoID, DCTERMS, LIME) to meet requirements elicited in various use cases of the Semantic Web platform Semantic Turkey @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