メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.738777283978 35.3618094111062, 136.738781672101 35.3618085818419, 136.739243071108 35.363375486032, 136.7392697386 35.3635521926176, 136.736657955947 35.362535416776, 136.736683581646 35.3623548084569, 136.736686756735 35.362217359531, 136.736212651043 35.3606717334028, 136.737836731595 35.3603561772738, 136.738335480058 35.360259335735, 136.738777283978 35.3618094111062)) ^^http://www.opengis.net/ont/geosparql#wktLiteral