: CalslaanStophttp://semanticweb.org/campus-routing-ontology# Create a prefix for http://semanticweb.org/campus-routing-ontology# Hit Enter to save Double click to create a prefix | : pointhttp://semanticweb.org/campus-routing-ontology# Create a prefix for http://semanticweb.org/campus-routing-ontology# Hit Enter to save Double click to create a prefix | POINT(6.8458 52.2422) | graph:StartingPoint |