メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.584266564975 34.0569749966613, 131.584463133013 34.0587031619998, 131.583710144029 34.058763899476, 131.583400330752 34.0587888839343, 131.582823611363 34.0588253948331, 131.582097506382 34.0588714616041, 131.582041477327 34.0582824058409, 131.581966204405 34.0581952732092, 131.581922243336 34.0579092608986, 131.581839622904 34.0576398229725, 131.58179693026 34.0574410079811, 131.58173908209 34.0567651765027, 131.581691445915 34.0559381135414, 131.582975086432 34.0558531725991, 131.584143289998 34.0557758320903, 131.584134437093 34.0557959325996, 131.584266564975 34.0569749966613)) ^^http://www.opengis.net/ont/geosparql#wktLiteral