メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.454807381737 43.0370652255784, 144.454788224057 43.037038941396, 144.454610534006 43.036639182588, 144.454413978772 43.0362264959388, 144.454228860782 43.0358119004687, 144.454051104604 43.0354154468192, 144.453861510979 43.0350042418986, 144.453685405588 43.0345894702824, 144.453524223195 43.0342593668491, 144.453556603236 43.0342587428444, 144.454186995795 43.0340815351151, 144.455459297771 43.0351183783481, 144.455684114698 43.0353404955584, 144.455940461382 43.035693304388, 144.456081828451 43.0359515599668, 144.456198226239 43.0362246448985, 144.456302061617 43.0365269463655, 144.456353038562 43.0366813149191, 144.454807381737 43.0370652255784)) ^^http://www.opengis.net/ont/geosparql#wktLiteral