メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.317526919981 43.1144831289757, 141.317838414137 43.1148065667685, 141.318176179028 43.1151450567026, 141.318520705506 43.1155063165246, 141.31822617302 43.1156567906316, 141.317991582556 43.1157766402813, 141.317671531639 43.115940219376, 141.31736763863 43.1160954908495, 141.316697419271 43.1154230493326, 141.316674164471 43.1153993001404, 141.316015518801 43.1147242758739, 141.316024907368 43.1147192186301, 141.316245096938 43.1146075751861, 141.316325130066 43.1145652578254, 141.316613621104 43.1144125366414, 141.317164660544 43.1141208772999, 141.317526919981 43.1144831289757)) ^^http://www.opengis.net/ont/geosparql#wktLiteral