メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.46751089575 40.6308298832913, 140.466437330886 40.6309289356498, 140.46464103595 40.6310752162535, 140.464311679368 40.6288039837276, 140.46610284176 40.6286650809412, 140.467819779966 40.6285203564175, 140.469787956016 40.6283449453735, 140.469727694441 40.6289064978941, 140.46965470623 40.6294728646166, 140.469580781253 40.6296251707572, 140.469310402045 40.6293098918223, 140.469222117981 40.6292069604814, 140.469201814158 40.62918325635, 140.46919568256 40.6291899915129, 140.469013528678 40.6290733988682, 140.467939622819 40.6292743437187, 140.46796417633 40.629428787128, 140.468018270307 40.6300003369126, 140.46751089575 40.6308298832913)) ^^http://www.opengis.net/ont/geosparql#wktLiteral