http://dbpedia.org/resource/John_Gerretsen__Tenure__2 <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:office xsd:string 90thMayor of Kingston, Ontario rdf:type <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:TimePeriod dbpedia-owl:Tenure dbpedia-owl:predecessor <http://dbpedia.org/resource/Ken_Keyes_(politician)> dbpedia-owl:successor <http://dbpedia.org/resource/Helen_Cooper_(Canadian_politician)> data from the linked data cloud