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Prefix

Namespace IRI

Source

dcat

http://www.w3.org/ns/dcat#

[VOCAB-DCAT]

dct

http://purl.org/dc/terms/

[DCT]

foaf

http://xmlns.com/foaf/0.1/

[FOAF]

owl

http://www.w3.org/2002/07/owl#

[OWL2-SYNTAX]

rdf

http://www.w3.org/1999/02/22-rdf-syntax-ns#

[RDF-SYNTAX-GRAMMAR]

rdfs

http://www.w3.org/2000/01/rdf-schema#

[RDF-SCHEMA]

skos

http://www.w3.org/2004/02/skos/core#

[SKOS-REFERENCE]

time

http://www.w3.org/2006/time#

[OWL-TIME]

xsd

http://www.w3.org/2001/XMLSchema#

[XMLSCHEMA11-2]

vcard

http://www.w3.org/2006/vcard/ns#

[VCARD]

Overview and Diagram

An overview of the Metadata schema core is presented in the UML diagram depicted below (Fig 1). The UML showcases the primary classes (entities), excluding the detailed definitions such as rdfs:label rdfs:comment. Each block denotes a class and comprises a list of its attributes (properties). If a class is connected to another class by a closed arrow, indicating that it inherits all properties from the other class. For example, dcat:DatasetSeries inherits from dcat:Dataset which inherits from dcat:Resource. The other arrows, represent relations and contain the type of relation, such as dcat:Dataset connects to a dcat:DatasetSeries via the predicate dcat:inSeries, and include the cardinality, such as dcat:Dataset can be connected via dcat:inSeries to zero or more dcat:DatasetSeries.

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DiagramPlateau1ReleaseApril2024.jpgImage Added

Main Classes

Mandatory Classes

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Property name

Definition

URI

rdfs:Range

Usage Note

Cardinality

end point URL

The root location or primary endpoint of the service (a Web-resolvable IRI).

dcat:endPointURL

xsd:string

Or

dcatrdfs:Resource

NA

1..*

title

A name given to the distribution.

dct:title

xsd:string

NA

1..*

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