PREFIX schema: SELECT ?id (MIN(?date) AS ?date) (SAMPLE(?title_fr) AS ?title_fr) (SAMPLE(?title_de) AS ?title_de) (SAMPLE(?title_it) AS ?title_it) (SAMPLE(?text_fr) AS ?text_fr) (SAMPLE(?text_de) AS ?text_de) (SAMPLE(?text_it) AS ?text_it) (SAMPLE(?status_uri) AS ?status_uri) (SAMPLE(?zustand_uri) AS ?zustand_uri) (SAMPLE(?zurueckgezogen_uri) AS ?zurueckgezogen_uri) (SAMPLE(?ungueltig_uri) AS ?ungueltig_uri) (SAMPLE(?angenommen_uri) AS ?angenommen_uri) WHERE { ?obsSet . ?obsSet ?source . ?source ?id ; ?date ; ?titleUri ; ?textUri ; ?status_uri . OPTIONAL { ?source ?zustand_uri } OPTIONAL { ?source ?zurueckgezogen_uri } OPTIONAL { ?source ?ungueltig_uri } OPTIONAL { ?source ?angenommen_uri } OPTIONAL { ?titleUri schema:name ?title_fr . FILTER(LANG(?title_fr)="fr") } OPTIONAL { ?titleUri schema:name ?title_de . FILTER(LANG(?title_de)="de") } OPTIONAL { ?titleUri schema:name ?title_it . FILTER(LANG(?title_it)="it") } OPTIONAL { ?textUri schema:name ?text_fr . FILTER(LANG(?text_fr)="fr") } OPTIONAL { ?textUri schema:name ?text_de . FILTER(LANG(?text_de)="de") } OPTIONAL { ?textUri schema:name ?text_it . FILTER(LANG(?text_it)="it") } } GROUP BY ?id ORDER BY DESC(?date) LIMIT 200