https://w3id.org/framester/wn/wn30/instances/word-Organization_of_Petroleum-Exporting_Countries <https://w3id.org/framester/wn/wn30/schema/Collocation> <https://w3id.org/framester/wn/wn30/schema/lexicalForm> Organization of Petroleum-Exporting Countries rdf:type <https://w3id.org/framester/wn/wn30/schema/Collocation> risorse dalla linked data cloud