メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.370679772506 43.0785702596971, 141.370637977853 43.0786145981064, 141.370366994846 43.078918938853, 141.37033022947 43.0789135927033, 141.369757876834 43.0788303552195, 141.369683772634 43.0788195878958, 141.369587169076 43.0788054823779, 141.369487924227 43.0787881922307, 141.369307525891 43.0787632444503, 141.368844011226 43.0786975780786, 141.369125483443 43.0775822889939, 141.36948435226 43.0776256289605, 141.369583861252 43.0776376467783, 141.369863110329 43.0776735515315, 141.370280378536 43.0777323174078, 141.37061887661 43.0777711376183, 141.370814920714 43.0778691339251, 141.37116462983 43.0780431403352, 141.370967391226 43.0782564109016, 141.370679772506 43.0785702596971)) ^^http://www.opengis.net/ont/geosparql#wktLiteral