http://dbpedia.org/resource/Janet_G._Travell__Tenure__1 <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:office xsd:string Physician to the President rdf:type <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:TimePeriod dbpedia-owl:Tenure dbpedia-owl:president <http://dbpedia.org/resource/John_F._Kennedy> <http://dbpedia.org/resource/Lyndon_Johnson> dbpedia-owl:predecessor <http://dbpedia.org/resource/Howard_McCrum_Snyder> data from the linked data cloud