メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.99851169752 37.7327737282127, 138.9972051326 37.7323175892617, 138.996985154451 37.7318382857143, 138.997978209975 37.7300455245411, 138.998175988331 37.7297010257328, 138.99828342085 37.7297633629981, 138.998477341163 37.7298905224, 138.99933850323 37.7301452317235, 139.000029048647 37.7303515229535, 139.000936782087 37.7306243272033, 139.0007715758 37.7309472925524, 139.000567534905 37.7308717089694, 138.999817317308 37.7306296315917, 138.99851169752 37.7327737282127)) ^^http://www.opengis.net/ont/geosparql#wktLiteral