: /OostHorst%20113http://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 | : labelhttp://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 | OostHorst 113 | graph:LectureRoom |