http://dbpedia.org/resource/George_W._Welsh__Tenure__5 <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:office xsd:string 7thPresident of the United States Conference of Mayors rdf:type <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:TimePeriod dbpedia-owl:Tenure dbpedia-owl:predecessor dbpedia:Edward_Joseph_Kelly dbpedia-owl:successor dbpedia:Cooper_Green data from the linked data cloud