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.

Címkék
reference data vocabularies metadata interoperability thesauri taxonomy ontology controlled vocabularies
Legutóbbi
Terms used in our reference data catalogue 2024. szeptember 18.
How to extract a list of concepts from a vocabulary 2024. szeptember 18.
About the use of Authority tables 2024. augusztus 12.
Identifiers and how to use more than one 2022. október 6.
useContext property and how to use it 2022. május 18.
Labels and data models, why and how to use them 2022. május 5.
Dissemination formats 2022. január 24.
Federated queries 2021. október 24.
Legnépszerűbb
Dissemination formats 57020 Megtekintés
useContext property and how to use it 55467 Megtekintés
Terms used in our reference data catalogue 55244 Megtekintés
Federated queries 55075 Megtekintés
About the use of Authority tables 53200 Megtekintés
Labels and data models, why and how to use them 52491 Megtekintés
Identifiers and how to use more than one 50444 Megtekintés
How to extract a list of concepts from a vocabulary 1 Megtekintés
Utód cikkek (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...