520 https://w3id.org/arco/resource/Value/1500325182-1-height-520 <https://w3id.org/italia/onto/MU/Value> rdfs:label 520 520 <https://w3id.org/italia/onto/MU/value> 520 rdf:type <https://w3id.org/italia/onto/MU/Value> <https://w3id.org/italia/onto/MU/hasMeasurementUnit> <https://w3id.org/arco/resource/MeasurementUnit/mm> data from the linked data cloud