メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.985427023211 43.5394994144143, 144.984724868222 43.540140379278, 144.98195028556 43.5383333809114, 144.981372927727 43.5387890020997, 144.979966829668 43.5378765493644, 144.978844376669 43.5371481840634, 144.979854670133 43.53636934609, 144.980899204763 43.5370590258037, 144.982350078914 43.5380170174289, 144.982397108055 43.5380480630546, 144.982753670668 43.5377504872623, 144.985427023211 43.5394994144143)) ^^http://www.opengis.net/ont/geosparql#wktLiteral