Publications Office of the EU
About reference data - EU Vocabularies
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Semantic knowledge base - title

Semantic knowledge base

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About reference data

Reference data, such as code lists and authority tables, means data that are used to characterise or relate to other data. Such a controlled vocabulary defines the permissible values to be used in a specific field for example as metadata. Reference data vocabularies are fundamental building blocks of most information systems. Using common interoperable reference data is essential for achieving interoperability.

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reference data vocabularies metadata interoperability thesauri taxonomy ontology controlled vocabularies
Kõige uuemad
Terms used in our reference data catalogue kolmapäev, 18. september 2024. a
How to extract a list of concepts from a vocabulary kolmapäev, 18. september 2024. a
About the use of Authority tables esmaspäev, 12. august 2024. a
Identifiers and how to use more than one neljapäev, 6. oktoober 2022. a
useContext property and how to use it kolmapäev, 18. mai 2022. a
Labels and data models, why and how to use them neljapäev, 5. mai 2022. a
Dissemination formats esmaspäev, 24. jaanuar 2022. a
Federated queries pühapäev, 24. oktoober 2021. a
Kõige populaarsem
Dissemination formats 57020 Vaatamised
useContext property and how to use it 55467 Vaatamised
Terms used in our reference data catalogue 55244 Vaatamised
Federated queries 55075 Vaatamised
About the use of Authority tables 53200 Vaatamised
Labels and data models, why and how to use them 52491 Vaatamised
Identifiers and how to use more than one 50444 Vaatamised
How to extract a list of concepts from a vocabulary 1 Vaata
Child Articles (3)
  • Dissemination formats

    Our reference data catalogue contains more than 150 datasets spanning from simple code lists to taxonomies, schemas and ontologies. Each specific type has its own specificities and usage needs....

  • Terms used in our reference data catalogue

    The reference data catalogue published on the Publications Office website is a dynamic set of data models , thesauri and taxonomies that are made available to the public to support interoperability...

  • What is a URI

    A Uniform Resource Identifier (URI) is a compact sequence of characters that identifies an abstract or physical resource (IETF RFC3986). URIs are specified as being written only in ASCII...