http://dbpedia.org/resource/Michael_Checkland__Tenure__1 <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:office xsd:string Director-General of the BBC rdf:type <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:TimePeriod dbpedia-owl:Tenure dbpedia-owl:predecessor dbpedia:Alasdair_Milne dbpedia-owl:successor dbpedia:John_Birt,_Baron_Birt data from the linked data cloud