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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]

...

Class name

Definition

Usage Note

URI

Dataset

A resource type.
A collection of data, published or curated by a single agent, and available for access or download in one or more representations.

Used to describe one or more datasets. This describes details about the dataset(s). However, a single dataset can have different ways in which they are made available to potential users. How the data in a dataset can be accessed is defined in the Distribution.

dcat:Dataset

Catalog

A catalog that is listed in the National catalog.

Used to describe a bundle of datasets, data services, biobanks, patient registries, or guidelines together under a single title.

dcat:catalog

Agent

An entity that is associated with catalog and/or Datasets.

If the Agent is an organisation, the use of the Organization Ontologyis recommended.

foaf:Agent

Resource

Resource published or curated by a single agent.

This is an abstract class, we do not use this class, instead we use specifications of it (e.g. Dataset). This is mainly for a high level grouping and the reuse of properties.

dcat:Resource

Kind

vcard:Kind

Recommended Classes

Class name

Definition

Usage Note

URI

Distribution

An available distribution of the dataset.

Used to describe the different ways that a single dataset can be made available in. I.e., it can be downloaded or it can be accessed online in one or more distributions (e.g. one in a downloadable .csv file, another file with an access or query webpage)

dcat:Distribution

Dataset Series

A resource type.

Dataset series are defined in [ISO-19115] as a collection of datasets […] sharing common characteristics. However, their use is not limited to geospatial data, although in other domains they can be named differently (e.g., time series, data slices) and defined more or less strictly (see, e.g., the notion of "dataset slice" in VOCAB-DATA-CUBE).

With Dataset Series we refer to data, somehow interrelated, that are published separately. An example is budget data split by year and/or country, instead of being made available in a single dataset.

dcat:DatasetSeries

Data Service

A Resource type.
A collection of operations that provides access to one or more datasets or data processing functions.

The kind of service can be indicated using the dcterms:type property. Its value may be taken from a controlled vocabulary that should be defined in the community.

DRAFT EXAMPLE:

dcat:DataService

Project

A project (a collective endeavour of some kind).

Used to describe a project that is connected to one or more datasets. A resource type

foaf:Project

...

Property name

Definition

URI

rdfs:Range

Usage Note

Cardinality

distribution

An available distribution of the dataset.

dcat:distribution

dcat:Distribution

Use this property to point to the distribution of this dataset when a distribution is available.

0..*

relation

defines a relation

dct:relation

foaf:Project

Use this property to point to the related project of this dataset when a project is available.

0..*

has version

This resource has a more specific, versioned resource [PAV].

dcat:hasVersion

xsd:string

This property refers to a related Dataset that is a version, edition, or adaptation of the described Dataset.

0..*

in series

A dataset series of which the dataset is part.

dcat:inSeries

dcat:DatasetSeries

NA

0..*

Dataset Series

Mandatory Properties

Property name

Definition

URI

rdfs:Range

Usage Note

Cardinality

contact point

Relevant contact information for the catalog resource.

dcat:contactPoint

vcard:Kind

Contact information that can be used, for example, for sending requests to further information or access to the Dataset.

1..*

creator

The entity responsible for producing the resource.

dct:creator

foaf:Agent

An agent (person or organisation) responsible for producing the dataset.

1..*

description

A free-text account of the record

dct:description

xsd:string

A free-text description of the Dataset. This property can be repeated for parallel language versions of the description.

1..*

issued

Date of formal issuance (e.g., publication) of the resource.

dct:issued

xsd:dateTime

NA

1..1

identifier

A unique identifier of the resource being described or catalogd.

dct:identifier

xsd:string

The main identifier for the Dataset, e.g. the URI or other unique identifier in the context of the catalog.

1..1

modified

Most recent date on which the catalog entry was changed, updated or modified.

dct:modified

xsd:dateTime

The most recent date on which the Dataset was changed or modified.

1..1

publisher

The entity responsible for making the resource available.

dct:publisher

foaf:Agent

An agent (organisation or person) responsible for making the Dataset available.

1..*

theme

A main category of the resource. A resource can have multiple themes.

dcat:theme

skos:Concept

It consists of 1 or more IRIs (links) separated by commas. When set, it specifies relevant ontology concepts that classify the dataset. Typically, these can be looked up using the Ontology Lookup Service (OLS) or Bioportal.  

1..*

title

A name given to the record.

dct:title

xsd:string

A name given to the Dataset. This property can be repeated for parallel language versions of the name.

1..*

type

The nature or genre of the resource.

dct:type

skos:Concept

A type of the Dataset. A recommended controlled vocabulary data-type is foreseen.

1..*

license

A legal document under which the resource is made available.

dct:license

dcterms:LicenseDocument

This should contain a URL that provides details regarding the license that is applicable to this dataset.

1..1

Recommended Properties

Property name

Definition

URI

rdfs:Range

Usage Note

Cardinality

distribution

An available distribution of the dataset.

dcat:distribution

dcat:Distribution

Use this property to point to the distribution of this dataset when a distribution is available.

0..*

relation

defines a relation

dct:relation

foaf:Project

Use this property to point to the related project of this dataset when a project is available.

0..*

has version

This resource has a more specific, versioned resource [PAV].

dcat:hasVersion

xsd:string

This property refers to a related Dataset that is a version, edition, or adaptation of the described Dataset.

0..*

Data Service

A collection of operations that provides access to one or more datasets or data processing functions.

Mandatory Properties

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

rdfs:Resource

NA

1..*

title

A name given to the distribution.

dct:title

xsd:string

NA

1..*

Recommended Properties

Property name

Definition

URI

rdfs:Range

Usage Note

Cardinality

end point description

A description of the services available via the end-points, including their operations, parameters etc.

dcat:endpointDescription

rdfs:Resource

xsd:string

An endpoint description may be expressed in a machine-readable form, such as an OpenAPI (Swagger) description [OpenAPI], an OGC GetCapabilities response [WFS], [ISO-19142], [WMS], [ISO-19128], a SPARQL Service Description [SPARQL11-SERVICE-DESCRIPTION], an [OpenSearch] or [WSDL20] document, a Hydra API description [HYDRA], else in text or some other informal mode if a formal representation is not possible.

0..*

serves dataset

A collection of data that this data service can distribute.

dcat:servesDataset

dcat:Dataset

NA

0..*

...

An available distribution of the dataset.

Mandatory Properties

Property name

Definition

URI

rdfs:Range

Usage Note

Cardinality

title

A name given to the distribution.

dct:title

xsd:string

the name of the dataset in combination with the format of the distribution can be used

1..*

access URL

A URL of the resource that gives access to a distribution of the dataset. E.g., landing page, feed, SPARQL endpoint.

dcat:accessURL

rdfs:Resource

This property contains a URL that gives access to a Distribution of the Dataset. The resource at the access URL may contain information about how to get the Dataset.

1..*

media type

The media type of the distribution as defined by IANA [IANA-MEDIA-TYPES].

dcat:mediaType

xsd:string

This property SHOULD be used when the media type of the distribution is defined in IANA [IANA-MEDIA-TYPES], otherwise dcterms:format MAY be used with different values.

1..*

description

A unique identifier of the resource being described or catalog.

dct:description

xsd:string

NA

1..*

Recommended Properties

Property name

Definition

URI

rdfs:Range

Usage Note

Cardinality

access service

A data service that gives access to the distribution of the dataset

dcat:accessService

dcat:DataService

dcat:accessService SHOULD be used to link to a description of a dcat:DataService that can provide access to this distribution.

0..*

download URL

The URL of the downloadable file in a given format. E.g., CSV file or RDF file. The format is indicated by the distribution's dcterms:format and/or dcat:mediaType

dcat:downloadURL

rdfs:Resource

NA

0..*

...

An entity that is associated with catalog and/or Datasets. Agent can be individuals or organisations, If the Agent is an organisation, the use of the Organization Ontology is recommended.

Mandatory Properties

Property name

Definition

URI

rdfs:Range

Usage Note

Cardinality

name

A name for some thing.

foaf:name

xsd:string

This property contains a name of the agent. This property can be repeated for different versions of the name (e.g. the name in different languages)

1..*

identifier

A unique identifier of the resource being described or catalog.

dct:identifier

xsd:string

1..1

Recommended Properties

No recommended properties are identified for this release.

...

A project (a collective endeavour of some kind).

Mandatory Properties

Property name

Definition

URI

rdfs:Range

Usage Note

Cardinality

description

description of the project

dct:description

xsd:string

NA

1..*

identifier

A unique identifier of the resource being described or catalog.

dct:identifier

xsd:string

NA

1.1

title

A name given to the resource.

dct:title

xsd:string

NA

1..*

funded by

An organization funding a project or person.

foaf:fundedBy

foaf:Agent

NA

1..*

dataset

link to the project datasets

dct:relation

dct:Dataset

NA

1..*

Recommended Properties

No recommended properties are identified for this release.

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