!!! Beispiel für Property-Chains: Herleitung Grandfather ! Schema Wissen (T-Box) %%turtle si:father rdf:type rdf:Property ; rdfs:subPropertyOf si:parent . si:parent rdf:type owl:AsymmetricProperty . si:grandfather rdf:type rdf:Property . si:grandparent a rdf:Property ; owl:propertyChainAxiom ( si:parent si:father ) . si:familyName a owl:ObjectProperty . si:referencedFamilyName rdfs:subPropertyOf si:familyName . % ! Instanzen (A-Box) %%turtle si:Abe a owl:Thing ; si:familyName "Simpson" . si:Homer a owl:Thing ; si:father si:Abe . si:Bart a owl:Thing ; si:parent si:Homer. si:Lisa a owl:Thing ; si:parent si:Homer. % !! Queries ! Bart %%Sparql SELECT * WHERE { si:Bart ?p ?o . } % ! All Grandparent relations %%Sparql SELECT * WHERE { ?grandchild si:grandparent ?gp . } % ! All Family Names %%Sparql SELECT * WHERE { ?s si:familyName ?name . } % ! All referenced family names %%Sparql SELECT * WHERE { ?s si:referencedFamilyName ?name . } % %%package propChainTest %%ontology @uses: propChainTest @ruleset: OWL2_RL_REDUCED_OPTIMIZED % %%namespace si http://www.example.org/ontology# %