メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.771111526252 35.0773282320888, 136.772788273301 35.0773679757235, 136.77274559742 35.0786261111406, 136.772735170772 35.0787110093675, 136.772659418086 35.0788871761346, 136.772635835363 35.0789733692656, 136.772617808982 35.079098314144, 136.771047433989 35.079056172405, 136.765849566261 35.078926510518, 136.765912004424 35.0772038354807, 136.767043007225 35.077244595788, 136.769825777571 35.0773017948706, 136.771111526252 35.0773282320888)) ^^http://www.opengis.net/ont/geosparql#wktLiteral