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
About the use of Named Authority Lists (NALs) 2025. május 23.
How to extract a list of concepts from a vocabulary 2025. május 23.
Terms used in our reference data catalogue 2025. május 23.
Dissemination formats 2025. május 23.
useContext property and how to use it 2025. május 23.
Labels and data models, why and how to use them 2025. május 23.
Identifiers and how to use more than one 2025. május 23.
Federated queries 2025. május 23.
Legnépszerűbb
Dissemination formats 57022 Megtekintés
useContext property and how to use it 55469 Megtekintés
Terms used in our reference data catalogue 55246 Megtekintés
Federated queries 55077 Megtekintés
About the use of Named Authority Lists (NALs) 53205 Megtekintés
Labels and data models, why and how to use them 52495 Megtekintés
Identifiers and how to use more than one 50446 Megtekintés
How to extract a list of concepts from a vocabulary 3 Megtekintés
Utód cikkek (3)
  • Dissemination formats

    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...

  • Terms used in our reference data catalogue

    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...

  • What is a URI

    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...