メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> MULTIPOLYGON(((137.05759774187 34.9990984997125, 137.058234473825 34.9998843477312, 137.056901765228 35.0005413955249, 137.055863042453 35.0010528342405, 137.055564758214 35.0006111865834, 137.055272842775 35.0001771500139, 137.054957014888 34.999698439431, 137.05597023281 34.9992435388797, 137.057234496156 34.9986810259285, 137.05759774187 34.9990984997125)), ((137.05975415273 34.999783555038, 137.05860814125 35.0003500725705, 137.058234473825 34.9998843477312, 137.059461246852 34.9993373425518, 137.05975415273 34.999783555038))) ^^http://www.opengis.net/ont/geosparql#wktLiteral