メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.09283667082 36.6994976993198, 137.092948961949 36.6995169179662, 137.093255196721 36.6995828637689, 137.093047136796 36.7000733249155, 137.092495315741 36.7005772362554, 137.092210461523 36.7007699733158, 137.091668699254 36.700165768808, 137.091493192066 36.7000385070082, 137.091298768098 36.6999161627407, 137.090833961559 36.699713315146, 137.09043549193 36.6996061188169, 137.090649751416 36.6989937220769, 137.091635573172 36.6992037228714, 137.092527044136 36.6994180233769, 137.09283667082 36.6994976993198)) ^^http://www.opengis.net/ont/geosparql#wktLiteral