メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.676079237039 35.0762991313035, 136.675725557751 35.0760489776974, 136.67547648792 35.075836271131, 136.675413948133 35.0757164739426, 136.675371751257 35.0752222532394, 136.675327005964 35.0749226319683, 136.675288427354 35.0746644571325, 136.675238744369 35.0740725273124, 136.675252965256 35.0739269500231, 136.675278835321 35.073797083186, 136.67625001383 35.07445275895, 136.677039204875 35.0749671832346, 136.676918777486 35.0752905429668, 136.676668233089 35.0757031521017, 136.676079237039 35.0762991313035)) ^^http://www.opengis.net/ont/geosparql#wktLiteral