Nepomuk Resource Language (NRL)

Properties describing the ontologies.

@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#>

The following classes are defined:

InverseFunctionalProperty, Namespace, Ontology

Classes

InverseFunctionalProperty

A marker class to identify inverse functional properties

Namespace

Specifies a namespace. This is a Tracker extension

Class hierarchy

G nrl:Namespace nrl:Namespace rdfs:Resource rdfs:Resource rdfs:Resource--nrl:Namespace

Properties

Name Type Notes Description
prefix string This is a Tracker extension

Predefined instances

nrl:Namespace has the following predefined instances:

  • dc:
  • fts:
  • nrl:
  • rdf:
  • rdfs:
  • tracker:
  • xsd:

Ontology

An ontology

Class hierarchy

G nrl:Ontology nrl:Ontology rdfs:Resource rdfs:Resource rdfs:Resource--nrl:Ontology

Properties

Name Type Notes Description
lastModified dateTime last modification date. This is a Tracker extension

Predefined instances

nrl:Ontology has the following predefined instances:

  • dc:
  • nrl:
  • rdf:
  • xsd:

Additional properties for rdf:Property

Properties this ontology defines which can describe rdf:Property resources.

Name Type Notes Description
fulltextIndexed boolean Whether the property is full-text indexed. This is a Tracker extension
indexed boolean Whether a property has an index. This is a Tracker extension
maxCardinality integer Specifies a maximum value cardinality for a specific property
propertySpecification string Link to upstream specification for an ontology property. This is a Tracker extension
secondaryIndex Property Whether subject and object properties share an index. This is a Tracker extension
weight integer Property weight on full-text search relevance. This is a Tracker extension

Additional properties for rdfs:Class

Properties this ontology defines which can describe rdfs:Class resources.

Name Type Notes Description
classSpecification string Link to upstream specification for an ontology class. This is a Tracker extension
domainIndex Property Property is a domain index for the subject class. This is a Tracker extension
notify boolean Whether resources of this class emits notifications on changes. This is a Tracker extension

Additional properties for rdfs:Resource

Properties this ontology defines which can describe rdfs:Resource resources.

Name Type Notes Description
added dateTime Time of insertion of the resource. This is a Tracker extension
deprecated boolean If this property is assigned, the subject class, property, or resource, is deprecated and should not be used in production systems any longer. It may be removed without further notice. This property is a Tracker extension
modified integer Modification sequence number. This is a Tracker extension

Credits and Copyright

Authors:

  • Nepomuk People

Editors:

  • Tracker developers (translation into turtle)

Upstream: Not available

ChangeLog: Tracker changes