メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.770295032469 35.433344635026, 136.770209482751 35.4333583347236, 136.770120337432 35.4328683486482, 136.770693309154 35.4327569739388, 136.770641499821 35.4325576245664, 136.771144550742 35.4325276001895, 136.771211098726 35.4327572093227, 136.771501494297 35.4327027982947, 136.7715633831 35.4329086239525, 136.771861749256 35.4328602959932, 136.771908715382 35.4330394188069, 136.771860807659 35.4330532423374, 136.771400986586 35.4331454130314, 136.771082174228 35.4332045530569, 136.770295032469 35.433344635026)) ^^http://www.opengis.net/ont/geosparql#wktLiteral