メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.351757105032 43.0331133219121, 141.351740175906 43.0332354931919, 141.351736227255 43.033269642979, 141.351702982683 43.0335573849633, 141.351693568089 43.0336113247706, 141.351649580752 43.0339585523024, 141.34997985553 43.0338361363394, 141.350029475535 43.0334845931752, 141.350082053328 43.0331733026358, 141.350083457128 43.0331625532462, 141.35010517566 43.0329949160756, 141.350169018357 43.0324965646356, 141.35096306472 43.0325580861776, 141.351828131792 43.0326210041885, 141.351786391628 43.032886596033, 141.351780865913 43.0329368385381, 141.351757105032 43.0331133219121)) ^^http://www.opengis.net/ont/geosparql#wktLiteral