メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.352884727131 37.2587831926337, 140.350610793445 37.2597939900235, 140.350609125248 37.2597947020139, 140.349804464506 37.2601336118268, 140.348259024548 37.2608369090769, 140.347490137916 37.2599047507288, 140.346806503522 37.2590983785625, 140.346572328599 37.2588222915146, 140.348922885278 37.2576588853236, 140.348748996934 37.2574480141197, 140.349897962523 37.2568254381804, 140.351015365364 37.2562131280539, 140.351966678598 37.2575081588708, 140.352727559057 37.2585659178325, 140.352884727131 37.2587831926337)) ^^http://www.opengis.net/ont/geosparql#wktLiteral