http://dbpedia.org/resource/Edson_S._Densmore__Tenure__1 <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:office xsd:string White House Chief Usher rdf:type <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:TimePeriod dbpedia-owl:Tenure dbpedia-owl:president <http://dbpedia.org/resource/Grover_Cleveland> dbpedia-owl:successor <http://dbpedia.org/resource/John_McKenna_(usher)> data from the linked data cloud