@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix ns0: <http://www.w3.org/2006/time-entry#> . @prefix owl: <http://www.w3.org/2002/07/owl#> . ns0:after a owl:ObjectProperty ; owl:inverseOf ns0:before . 
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ns0: <http://www.w3.org/2006/time-entry#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

ns0:after
    a owl:ObjectProperty ;
    owl:inverseOf ns0:before .