メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.392902223036 34.786762073793, 135.392632171598 34.7868914745637, 135.392528313391 34.7869470294183, 135.392256514307 34.7871198258041, 135.391872788015 34.7874581108569, 135.391624414637 34.7877008470714, 135.391297738158 34.7875481888291, 135.391060384448 34.7874979974232, 135.391027002356 34.7874308198501, 135.39086062663 34.787077040688, 135.390685844636 34.7867196718127, 135.390593430928 34.7865153960781, 135.390853720479 34.786423551649, 135.391007296978 34.786377707138, 135.392902223036 34.786762073793)) ^^http://www.opengis.net/ont/geosparql#wktLiteral