メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.096035447492 35.2251920186469, 137.095931880226 35.2254008336053, 137.09480932275 35.2250209264907, 137.095122499835 35.2243839925638, 137.095290523098 35.2244517008439, 137.095445327558 35.2245598946448, 137.095670812362 35.2246765805765, 137.095767663139 35.2247293160041, 137.095857843636 35.2247924696022, 137.095946219314 35.2248451988894, 137.096062467402 35.2248849876811, 137.096166868535 35.2249211771258, 137.096035447492 35.2251920186469)) ^^http://www.opengis.net/ont/geosparql#wktLiteral