メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.742149329892 35.437193604722, 136.741832873522 35.4372648139305, 136.741799382226 35.4371701244918, 136.740239202982 35.4374859183432, 136.737768357415 35.4380613753842, 136.736754847976 35.4383097355697, 136.735522861614 35.4381138487007, 136.735608221205 35.4378792365601, 136.735690026649 35.4376654204547, 136.736722469686 35.4378367958386, 136.737636792767 35.4376723397124, 136.740107007175 35.437091813605, 136.741961863046 35.4366476981428, 136.742149329892 35.437193604722)) ^^http://www.opengis.net/ont/geosparql#wktLiteral