メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.010085004884 34.9888153778261, 137.010934740889 34.9888850598263, 137.010905816862 34.9896226669483, 137.010894245563 34.9899270349537, 137.01096722686 34.9900391754247, 137.011067690352 34.9901752971869, 137.010729846283 34.9903140279826, 137.008690772632 34.9911044644575, 137.008664692149 34.9910593577652, 137.008440528286 34.9906712292804, 137.008592714963 34.9906071290418, 137.008630692913 34.9902092012434, 137.008690996568 34.9887311769168, 137.009276924333 34.9887670104002, 137.010085004884 34.9888153778261)) ^^http://www.opengis.net/ont/geosparql#wktLiteral