prov:endedAtTime must be >= prov:startedAtTime
PREFIX prov: <http://www.w3.org/ns/prov#> PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> SELECT ?this WHERE { ?this prov:startedAtTime ?start ; prov:endedAtTime ?end . FILTER (xsd:dateTime(?end) < xsd:dateTime(?start)) }