メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.550328027729 33.5751456812379, 130.550389738883 33.575489776526, 130.549715126546 33.5757284108459, 130.548845286247 33.5760442720551, 130.54865036619 33.5756589008112, 130.548630542239 33.5753929735637, 130.548746328122 33.5751204281319, 130.548967572871 33.5749262489286, 130.549163089828 33.5747922399133, 130.550328027729 33.5751456812379)) ^^http://www.opengis.net/ont/geosparql#wktLiteral