メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.382675980376 43.1062068286197, 141.382985185081 43.1065304171268, 141.383514521526 43.1070692496789, 141.383923044453 43.1073887353365, 141.383291505549 43.1078398776185, 141.382894257436 43.1081489760773, 141.382520591272 43.1084396857455, 141.382489660178 43.1084208855016, 141.381492457776 43.1077069069071, 141.380673439453 43.1070871733213, 141.38040113258 43.1068834821382, 141.380273289604 43.1067879236248, 141.380255135215 43.1067211175622, 141.380195029335 43.106573469332, 141.381283730716 43.1063952289134, 141.381449868124 43.1063080897077, 141.381960369356 43.1060467613149, 141.382316937743 43.1058578965075, 141.382675980376 43.1062068286197)) ^^http://www.opengis.net/ont/geosparql#wktLiteral