メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.028818520153 34.9291439372779, 137.026752140364 34.931250643996, 137.026385283622 34.9315877769532, 137.02527745765 34.9325658504629, 137.025074355236 34.9323981421207, 137.024847471223 34.9321935731681, 137.024642367238 34.9319917036034, 137.024392637171 34.9317837266421, 137.024131520951 34.9315715097671, 137.023272456195 34.9309150460564, 137.022861101691 34.9305770087995, 137.02604602467 34.9272991955103, 137.028818520153 34.9291439372779)) ^^http://www.opengis.net/ont/geosparql#wktLiteral