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
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
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