メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.065030410218 34.9640239944767, 137.064884938804 34.9641774691067, 137.064186803863 34.9649369092067, 137.06378717726 34.9653775021401, 137.062848951017 34.9647819665741, 137.062047789016 34.964273304085, 137.061251302908 34.9637950636948, 137.060415586145 34.963304107466, 137.060729169648 34.9629052825838, 137.061364025776 34.9621353835562, 137.06184917217 34.9624090522069, 137.063041861578 34.963118340269, 137.063504890196 34.9633844479826, 137.063915932564 34.9636076203113, 137.064161001094 34.9633014773151, 137.065030410218 34.9640239944767)) ^^http://www.opengis.net/ont/geosparql#wktLiteral