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ClassTree and GeoConcepts

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Timo edited this page Jan 31, 2022 · 4 revisions

For each RDF resource, the SPARQLing Unicorn QGIS plugin tries to load a representation of RDF classes and instances which are to be visualized in various forms.

Class Tree Legend

  • Class: An RDF class, OWL class, or an equivalent concept
  • GeoClass: A Class with at least one instance associated with a known geotriplepattern
  • HalfGeoClass: A Class for which instances with and without geotriplepattern are detected by the plugin
  • Linked Geo Class: A Class with at least one instance that is linked to another instance associated with a known geotriplepattern
  • Instance: An RDF resource associated with a type property (e.g. rdf:type) to a Class
  • GeoInstance: An instance associated with a known geotriplepattern
  • Linked Geo Instance: An instance which is linked to another instance associated with a known geotriplepattern
  • FeatureCollection: A feature collection defined purely in RDF, for example as a geo:FeatureCollection or as a skos:Collection with a member property (e.g. rdfs:member) to link to instances of GeoClasses
  • GeometryCollection: A collection of geometry instances defined purely in RDF, for example as a geo:GeometryCollection or as a skos:Collection with a member property (e.g. rdfs:member) to link to instances of Geometries
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