!!! This is my pizza ontology. %%ConceptVisualization @concept: pizza:American % !SPARQL query displaying all pizzas in pizza.owl %%Sparql SELECT ?Pizza ?Topping WHERE { ?Pizza rdfs:subClassOf pizza:Pizza . FILTER (!STRSTARTS(STR(?Pizza), "_")) . } ORDER BY ?Pizza % %%Ontology @import: pizza.owl % %%Package pizza