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.

Oznake
reference data vocabularies metadata interoperability thesauri taxonomy ontology controlled vocabularies
Najnovije
About the use of Named Authority Lists (NALs) 2025. svibnja 23
How to extract a list of concepts from a vocabulary 2025. svibnja 23
Terms used in our reference data catalogue 2025. svibnja 23
Dissemination formats 2025. svibnja 23
useContext property and how to use it 2025. svibnja 23
Labels and data models, why and how to use them 2025. svibnja 23
Identifiers and how to use more than one 2025. svibnja 23
Federated queries 2025. svibnja 23
Najpopularniji
Dissemination formats 57024 Pregledi
useContext property and how to use it 55470 Pregledi
Terms used in our reference data catalogue 55247 Pregledi
Federated queries 55078 Pregledi
About the use of Named Authority Lists (NALs) 53206 Pregledi
Labels and data models, why and how to use them 52496 Pregledi
Identifiers and how to use more than one 50447 Pregledi
How to extract a list of concepts from a vocabulary 5 Pregledi
Child Articles (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...