https://w3id.org/framester/wn/wn30/instances/word-biosafety_level_4 <https://w3id.org/framester/wn/wn30/schema/Word> <https://w3id.org/framester/wn/wn30/schema/lexicalForm> biosafety level 4 rdf:type <https://w3id.org/framester/wn/wn30/schema/Word> risorse dalla linked data cloud