@prefix data: . @prefix : . @prefix foaf: . data:1a78d1f7-4cfc-3751-90dc-8ad13ec27ab0 a :Agent, foaf:Agent ; foaf:homepage "https://explore.doubs.fr/trek/888" . :hasContact data:1a78d1f7-4cfc-3751-90dc-8ad13ec27ab0 .