メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.43030308856 43.090398543568, 141.430323821288 43.090405303277, 141.430739450845 43.0906044979404, 141.431174629277 43.0908130456758, 141.431606855899 43.0910201627949, 141.431643757036 43.0910377981837, 141.431988871129 43.0912653898925, 141.432057645307 43.0913108220805, 141.43237793463 43.0915219890559, 141.431568167301 43.0921609048402, 141.431265689757 43.0923995468301, 141.430847510744 43.092729490625, 141.430569751202 43.09275450738, 141.43002172672 43.0928038895087, 141.429519435616 43.0928490951032, 141.428996581163 43.0928961916429, 141.428810795509 43.0920625852652, 141.429010379873 43.0920348313161, 141.428835946019 43.0912854896243, 141.428495251873 43.0898223109679, 141.42873686369 43.0898876932962, 141.428868902395 43.0899307682656, 141.429427631917 43.0901129911645, 141.43030308856 43.090398543568)) ^^http://www.opengis.net/ont/geosparql#wktLiteral