PREFIX dcat: PREFIX dct: SELECT DISTINCT ?license (COUNT(DISTINCT ?distribution) as ?count) WHERE { ?distribution a dcat:Distribution . ?distribution dct:license ?license . FILTER (!isBlank(?license)) FILTER REGEX (?license, "^[H|h][T|t]{2}[P|p]"). } GROUP BY ?license ORDER BY DESC(?count) 2020-03-05 07:30 https://www.europeandataportal.eu/sparql Contains duplicate keys as resource URIs and literals included in the same way. E.g. http://creativecommons.org/publicdomain/zero/1.0/ Line 37 and line 84