http://dbpedia.org/resource/Billy_O'Brien_(politician)__MilitaryService__1 <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> rdf:type <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:CareerStation dbpedia-owl:MilitaryService dbpedia-owl:TimePeriod data from the linked data cloud