Publications Office of the EU
About reference data - EU Vocabularies
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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
Najnowsze
Terms used in our reference data catalogue 18 września 2024
How to extract a list of concepts from a vocabulary 18 września 2024
About the use of Authority tables 12 sierpnia 2024
Identifiers and how to use more than one 6 października 2022
useContext property and how to use it 18 maja 2022
Labels and data models, why and how to use them 5 maja 2022
Dissemination formats 24 stycznia 2022
Federated queries 24 października 2021
Najpopularniejsze
Dissemination formats 57020 Wyświetleń
useContext property and how to use it 55467 Wyświetleń
Terms used in our reference data catalogue 55244 Wyświetleń
Federated queries 55075 Wyświetleń
About the use of Authority tables 53200 Wyświetleń
Labels and data models, why and how to use them 52491 Wyświetleń
Identifiers and how to use more than one 50444 Wyświetleń
How to extract a list of concepts from a vocabulary 1 Zobacz
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...