_:b662803326 <http://www.w3.org/2007/05/powder-s#describedby> <http://localhost:8890/about/id/entity/http/purl.org/spar/pro/guest-editor> . _:b662803326 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Restriction> . _:b662803326 <http://www.w3.org/2002/07/owl#allValuesFrom> <http://www.w3.org/2001/XMLSchema#dateTime> . _:b662803326 <http://www.w3.org/2002/07/owl#onProperty> <http://www.ontologydesignpatterns.org/cp/owl/timeinterval.owl#hasIntervalDate> .