http://dbpedia.org/resource/Charles_A._Ray__Tenure__1 <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:start xsd:date 2009-12-09 rdf:type <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:TimePeriod dbpedia-owl:Tenure dbpedia-owl:president dbpedia:Barack_Obama dbpedia-owl:predecessor dbpedia:James_D._McGee dbpedia-owl:successor dbpedia:David_B._Wharton data from the linked data cloud