http://dbpedia.org/resource/Jacob_Tyson__Tenure__2 <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:end xsd:date 1828-12-31 dbpedia-owl:start xsd:date 1828-01-01 rdf:type <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval> dbpedia-owl:TimePeriod dbpedia-owl:Tenure dbpedia-owl:predecessor dbpedia:Cadwallader_D._Colden dbpedia-owl:successor dbpedia:Stephen_Allen data from the linked data cloud