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Keywords for default

The tables below lists the keywords the domain default.

The meaning of the columns are as follows:

  • Keyword: The keyword referring to a property used for the data documentation.
  • Range: Refer to the class for the values of the keyword.
  • Conformance: Whether the keyword is mandatory, recommended or optional when documenting the given type of resources.
  • Definition: The definition of the keyword.
  • Usage note: Notes about how to use the keyword.

Properties on Resource

Resource published or curated by an agent.

Keyword Range Conformance Definition Usage note
description rdfs:Literal
(rdf:langString)		 mandatory A free-text account of the resource. This property can be repeated for parallel language versions of the description.
title rdfs:Literal
(rdf:langString)		 mandatory A name given to the resource. This property can be repeated for parallel language versions of the name.
contactPoint vcard:Kind recommended Contact information that can be used for sending comments about the resource.
keyword rdfs:Literal
(rdf:langString)		 recommended A keyword or tag describing the resource.
publisher foaf:Agent recommended Agent responsible for making the resource available.
theme skos:Concept recommended A category of the resource. A resource may be associated with multiple themes. The set of themes used to categorize the resources are organized in a skos:ConceptScheme, skos:Collection, owl:Ontology or similar, describing all the categories and their relations in the catalog.
accessRights dcterms:RightsStatement optional Information about who can access the resource or an indication of its security status.
applicableLegislation eli:LegalResource optional The legislation that mandates the creation or management of the resource.
conformsTo dcterms:Standard optional An implementing rule or other specification.
creator foaf:Agent optional An entity responsible for producing the resource.
documentation foaf:Document
(xsd:anyURI)		 optional A page or document about this resource.
hasVersion rdfs:Resource optional A related resource that is a version, edition, or adaptation of the described resource. This property is intended for relating a non-versioned or abstract resource to several versioned resources, e.g., snapshots.
identifier rdfs:Literal optional URI or other unique identifier of the resource being described or cataloged.
isReferencedBy rdfs:Resource optional A related resource, such as a publication, that references, cites, or otherwise points to the documented resource.
landingPage foaf:Document
(xsd:anyURI)		 optional A web page that provides access to the resource and/or additional information (e.g. the distribution for a dataset). It is intended to point to a landing page at the original data provider, not to a page on a site of a third party, such as an aggregator.
language dcterms:LinguisticSystem
(rdf:langString)		 optional A language of the resource. This property can be repeated if the resource is expressed with multiple languages.
license dcterms:LicenseDocument optional A licence under which the resource is made available.
modificationDate rdfs:Literal
(xsd:date)		 optional The most recent date on which the resource was changed or modified.
qualifiedAttribution prov:Attribution optional An Agent having some form of responsibility for the resource.
qualifiedRelation dcat:Relationship optional A description of a relationship with another resource.
relatedResource rdfs:Resource optional A resource with an unspecified relationship to the cataloged resource.
releaseDate rdfs:Literal
(xsd:date)		 optional The date of formal issuance (e.g., publication) of the resource.
type skos:Concept optional A type of the resource. A recommended controlled vocabulary data-type is foreseen.
version rdfs:Literal optional Version indicator (name or identifier) of a resource.
versionNotes rdfs:Literal optional A description of the differences between this version and a previous version of the resource. This property can be repeated for parallel language versions of the version notes.
abstract rdfs:Literal
(rdf:langString)		 A summary of the resource.
bibliographicCitation rdfs:Literal A bibliographic reference for the resource. Recommended practice is to include sufficient bibliographic detail to identify the resource as unambiguously as possible.
comment rdfs:Literal A description of the subject resource. Use description instead.
deprecated rdfs:Literal
(xsd:boolean)		 The annotation property that indicates that a given entity has been deprecated. It should equal to "true"^^xsd:boolean.
isDefinedBy skos:Concept Indicate a resource defining the subject resource. This property may be used to indicate an RDF vocabulary in which a resource is described.
label rdfs:Literal Provides a human-readable version of a resource's name.
seeAlso skos:Concept Indicates a resource that might provide additional information about the subject resource.
statements rdfs:Literal
(rdf:JSON)		 A list of subject-predicate-object triples with additional RDF statements documenting the resource.

Properties on Dataset

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

Keyword Range Conformance Definition Usage note
distribution dcat:Distribution recommended An available distribution for the dataset.
geographicalCoverage dcterms:Location recommended A geographic region that is covered by the dataset.
temporalCoverage dcterms:PeriodOfTime recommended A temporal period that the Dataset covers.
frequency dcterms:Frequency optional The frequency at which the Dataset is updated.
inSeries dcat:DatasetSeries optional A dataset series of which the dataset is part.
otherIdentifier adms:Identifier optional A secondary identifier of the Dataset
sample dcat:Distribution optional A sample distribution of the dataset.
source dcat:Dataset optional A related Dataset from which the described Dataset is derived.
spatialResolution rdfs:Literal
(xsd:decimal)		 optional The minimum spatial separation resolvable in a dataset, measured in meters.
temporalResolution rdfs:Literal
(xsd:duration)		 optional The minimum time period resolvable in the dataset.
wasGeneratedBy prov:Activity optional An activity that generated, or provides the business context for, the creation of the dataset.
datamodel oteio:Datamodel URI of DLite datamodel for the dataset.
datamodelStorage rdfs:Literal
(xsd:anyURI)		 URL to DLite storage plugin where the datamodel is stored.
hasDatum emmo:EMMO_50d6236a_7667_4883_8ae1_9bb5d190423a Relates a dataset to its datum parts. hasDatum relations are normally NOT specified manually, since they are generated from the DLite data model.
isDescriptionFor dcat:Resource An object (e.g. a material) that this dataset describes.
isInputOf emmo:EMMO_43e9a05d_98af_41b4_92f6_00f79a09bfce A process that this dataset is the input to.
isOutputOf emmo:EMMO_43e9a05d_98af_41b4_92f6_00f79a09bfce A process that this dataset is the output to.
mappings rdfs:Literal
(rdf:JSON)		 A list of subject-predicate-object triples mapping the datamodel to ontological concepts.
mappingURL rdfs:Literal
(xsd:anyURI)		 URL to a document defining the mappings of the datamodel. The file format is given by mappingFormat. Defaults to turtle.
mappingFormat rdfs:Literal File format for mappingURL. Defaults to "turtle".

Properties on Distribution

A physical embodiment of the Dataset in a particular format.

Keyword Range Conformance Definition Usage note
accessURL rdfs:Resource mandatory 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.
availability rdfs:Literal
(xsd:date)		 recommended An indication how long it is planned to keep the Distribution of the Dataset available.
mediaType dcterms:MediaType recommended The media type of the Distribution as defined in the official register of media types managed by IANA.
accessService dcat:DataService optional A data service that gives access to the distribution of the dataset.
byteSize rdfs:Literal
(xsd:nonNegativeInteger)		 optional The size of a Distribution in bytes.
checksum spdx:Checksum optional A mechanism that can be used to verify that the contents of a distribution have not changed. The checksum is related to the downloadURL.
compressFormat dcterms:MediaType optional The format of the file in which the data is contained in a compressed form, e.g. to reduce the size of the downloadable file. It SHOULD be expressed using a media type as defined in the official register of media types managed by IANA.
downloadURL rdfs:Literal
(xsd:anyURI)		 optional A URL that is a direct link to a downloadable file in a given format.
format dcterms:MediaTypeOrExtent optional The file format of the Distribution. dcat:mediaType SHOULD be used if the type of the distribution is defined by IANA.
packageFormat dcterms:MediaType optional The format of the file in which one or more data files are grouped together, e.g. to enable a set of related files to be downloaded together. It SHOULD be expressed using a media type as defined in the official register of media types managed by IANA.
status rdfs:Literal optional The status of the distribution in the context of maturity lifecycle. It MUST take one of the values: 'Completed', 'Deprecated', 'Under Development', 'Withdrawn'.
generator oteio:Generator A generator that can create the distribution.
parser oteio:Parser A parser that can parse the distribution.

Properties on Parser

A parser that can parse a distribution into an instance of a datamodel.

Keyword Range Conformance Definition Usage note
configuration rdfs:Literal
(rdf:JSON)		 A JSON string with configurations specific to the parser or generator.
parserType rdfs:Literal Parser type. Ex: application/vnd.dlite-parse.

Properties on Generator

A generator that can serialise an instance of a datamodel into a distribution.

Keyword Range Conformance Definition Usage note
generatorType rdfs:Literal Generator type. Ex: application/vnd.dlite-generate.

Properties on Agent

Any entity carrying out actions with respect to the entities Catalogue and the Catalogued Resources.

Keyword Range Conformance Definition Usage note
name rdfs:Literal
(xsd:string)		 mandatory A name of the agent.
identifier rdfs:Literal recommended Identifier for the agent. E.g. organisation number.
type skos:Concept optional The nature of the agent. The value should be chosen from ADMS publisher type.

Properties on Attribution

An agent that has some form of responsibility for a resource, but which is not a publisher nor a creator of the resource.

Properties on Checksum

A preferred label of the concept.

Keyword Range Conformance Definition Usage note
algorithm spdx:ChecksumAlgorithm The algorithm used to produce the subject Checksum.
checksumValue rdfs:Literal
(xsd:hexBinary)		 A lower case hexadecimal encoded digest value produced using a specific algorithm.

Properties on ChecksumAlgorithm

Algorithm for Checksums.

Properties on Concept

An idea or notion; a unit of thought.

Keyword Range Conformance Definition Usage note
prefLabel rdfs:Literal A preferred label of the concept.

Properties on DataService

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

Keyword Range Conformance Definition Usage note
endpointURL rdfs:Literal
(xsd:anyURI)		 mandatory The root location or primary endpoint of the service (an IRI).
endpointDescription rdfs:Resource recommended A description of the services available via the end-points, including their operations, parameters etc.
servesDataset dcat:Dataset recommended This property refers to a collection of data that this data service can distribute.

Properties on DatasetSeries

A collection of datasets that are published separately, but share some characteristics that group them.

Properties on Geometry

The locn:Geometry class provides the means to identify a location as a point, line, polygon, etc. expressed using coordinates in some coordinate reference system.

Properties on Kind

A description following the vCard specification, e.g. to provide telephone number and e-mail address for a contact point.

Keyword Range Conformance Definition Usage note
hasAddress rdfs:Literal
hasCountryName rdfs:Literal
hasEmail rdfs:Literal
hasFamilyName rdfs:Literal
hasGender rdfs:Literal
hasGeo rdfs:Literal
hasGivenName rdfs:Literal
hasHonorificPrefix rdfs:Literal
hasHonorificSuffix rdfs:Literal
hasKey rdfs:Literal
hasLanguage rdfs:Literal
hasLogo rdfs:Literal
hasMember rdfs:Literal
hasInstantMessage rdfs:Literal
hasName rdfs:Literal
hasNickname rdfs:Literal
hasNote rdfs:Literal
hasOrganizationName rdfs:Literal
hasOrganizationUnit rdfs:Literal
hasPhoto rdfs:Literal
hasPostalCode rdfs:Literal
hasRegion rdfs:Literal
hasStreetAddress rdfs:Literal
hasTelephone rdfs:Literal
hasUID rdfs:Literal
hasURL rdfs:Literal

Properties on LicenseDocument

A legal document giving official permission to do something with a resource.

Keyword Range Conformance Definition Usage note
type skos:Concept A type of licence, e.g. indicating 'public domain' or 'royalties required'.

Properties on Location

A spatial region or named place.

Keyword Range Conformance Definition Usage note
bbox rdfs:Literal recommended The geographic bounding box of a resource.
centroid rdfs:Literal recommended The geographic center (centroid) of a resource.
geometry locn:Geometry optional The geographic center (centroid) of a resource.

Properties on Relationship

An association class for attaching additional information to a relationship between DCAT Resources.

Keyword Range Conformance Definition Usage note
hasRole dcat:Role A function of an entity or agent with respect to another entity or resource.
relation rdfs:Resource A resource related to the source resource.

Properties on RightsStatement

A statement about the intellectual property rights (IPR) held in or over a resource, a legal document giving official permission to do something with a resource, or a statement about access rights.

Properties on LegalResource

This class represents the legislation, policy or policies that lie behind the Rules that govern the service.

Properties on Standard

A standard or other specification to which a resource conforms.

Properties on MediaType

A media type, e.g. the format of a computer file.