Table for the 4 triples for predicate cpack:usesPackageFile in graph https://cliopatria.swi-prolog.org/packs/skos

SubjectObject
?:skos.pl?:components.pl
?:skos.pl?:graph.pl
?:skos.pl?:skos_schema.pl
?:skos_xl_schema.pl?:skos_schema.pl