メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.175937218061 34.667054600599, 135.175859945191 34.665619518715, 135.175774789807 34.6642137893031, 135.175780702283 34.6638128689997, 135.176259986661 34.6639882980609, 135.177243524818 34.6643378504566, 135.177243767711 34.6643617949557, 135.177245157895 34.6644988391936, 135.177324391667 34.6645118120407, 135.177984553559 34.6645185007077, 135.177979917611 34.664867858814, 135.178069628087 34.6661811522232, 135.178181204313 34.6677669929298, 135.177087583356 34.667788102521, 135.176291336213 34.6678139039734, 135.175985824554 34.6678137660836, 135.175937218061 34.667054600599)) ^^http://www.opengis.net/ont/geosparql#wktLiteral