メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.849590587886 34.5162447291773, 135.849623250593 34.5165634045665, 135.849119064258 34.5165588471752, 135.849101748083 34.5167258907155, 135.848052011283 34.5167279877644, 135.848047309293 34.5166393786593, 135.848773639394 34.5166201239732, 135.84878477524 34.5164298297046, 135.848796207882 34.5162343240336, 135.848789772866 34.5157519968426, 135.849145624165 34.5157529939557, 135.84954533746 34.5157491137075, 135.849590587886 34.5162447291773)) ^^http://www.opengis.net/ont/geosparql#wktLiteral