Nepomuk Annotation Ontology (NAO): Tracker Ontology Reference Manual

Nepomuk Annotation Ontology (NAO)

Nepomuk Annotation Ontology (NAO) — Tags, ratings and other common annotations to all classes

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

Represents a generic tag

This class emits notifications about changes, and can be monitored using TrackerNotifier.

    rdfs:Resource 
        nao:Tag

Name	Type	Notes	Description
`description`	string		In the context of the social semantic desktop the textual annotation provided via rdfs:comment is meant for technical users, the textual annotation here is aimed at average users and is meant to be used to define custom descriptions of resources on the desktop
`prefLabel`	string		A preferred label for a resource

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

Name	Type	Description
`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.
`hasTag`	Resource	Defines an existing tag for a resource
`identifier`	string	Defines a generic identifier for a resource
`isRelated`	Resource	This property defines a symmetric relation between any two resources. In order for this property to be used legally, the relationship must be symmetric.
`lastModified`	dateTime	last modification date
`numericRating`	double	Annotation for a resource in the form of a numeric rating (float value), allowed values are between 1 and 10 whereas 0 is interpreted as not set

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