SWI-Prolog -- rdfs_individual

Documentation
- Reference manual
- Packages
  - SWI-Prolog Semantic Web Library 3.0
    - library(semweb/rdfs): RDFS related queries
      - Hierarchy and class-individual relations
        
        rdfs_subproperty_of/2
        
        rdfs_subclass_of/2
        
        rdfs_class_property/2
        
        rdfs_individual_of/2

Availability::- use_module(library(semweb/rdfs)).

rdfs_individual_of(?Resource, ?Class)

True if Resource is an individual of Class. This implies Resource has an rdf:type property that refers to Class or a sub-class thereof. Can be used to test, generate classes Resource belongs to or generate individuals described by Class.