メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.902306769416 35.1040615103326, 136.902314893473 35.1043111832804, 136.902459625239 35.1051603993313, 136.902554257083 35.1057158349334, 136.902753119503 35.1057685254465, 136.902666472931 35.1060486257816, 136.902575477132 35.1063349129477, 136.902532774813 35.1064351038588, 136.902230398953 35.1064519052507, 136.902127137896 35.1059614529834, 136.902025921664 35.1054619204544, 136.901845225042 35.1041967678148, 136.90189522314 35.1040926493672, 136.901732994978 35.1029995080913, 136.902139124684 35.1029650475394, 136.902306769416 35.1040615103326)) ^^http://www.opengis.net/ont/geosparql#wktLiteral