メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.230541121633 35.7336114247794, 139.230446591897 35.7337828852886, 139.230371873954 35.7338586927716, 139.230062284474 35.7337700382777, 139.229688098995 35.7335899461668, 139.229574952608 35.7335345035255, 139.229285329916 35.7335177506111, 139.229000465738 35.7333752397135, 139.228824717624 35.7332332451114, 139.228571281982 35.7329160234142, 139.227984724229 35.7323701426376, 139.227806384269 35.7325686696233, 139.227695241195 35.7326190176891, 139.227678527612 35.7325911212278, 139.227650864756 35.7325097595471, 139.227544558741 35.7324184870288, 139.227515710396 35.732271754523, 139.227210724167 35.7320627018419, 139.226885943042 35.7318448359387, 139.226975427369 35.7314813611827, 139.226726639243 35.7313324909464, 139.226643874109 35.7311727118706, 139.227018870331 35.7312547623368, 139.227201730238 35.7310182853814, 139.228327090912 35.7315955287651, 139.229144500455 35.7323783309812, 139.230033541256 35.7332330744199, 139.230541121633 35.7336114247794)) ^^http://www.opengis.net/ont/geosparql#wktLiteral