メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.882937875453 43.8134601101754, 143.882873022114 43.8139164448728, 143.882827819232 43.8143598054612, 143.882770908186 43.8147869148217, 143.881944273024 43.8147433878396, 143.880285737033 43.8146342416941, 143.879728094668 43.8145975300196, 143.878913054939 43.8145375375369, 143.878713431388 43.814524616785, 143.87943151668 43.8141480072582, 143.880081212016 43.8138065286133, 143.880531953443 43.8135696043308, 143.88097776388 43.8133371437891, 143.882137223249 43.8127376822416, 143.883099869499 43.8122361133792, 143.88305389217 43.8126153537729, 143.882988013335 43.8131550679315, 143.882937875453 43.8134601101754)) ^^http://www.opengis.net/ont/geosparql#wktLiteral