メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.23268670768 35.5059432881491, 134.233916087204 35.5066401352646, 134.232986267145 35.5075228652069, 134.232398790219 35.507201291289, 134.231734081417 35.5068009911406, 134.231045588809 35.5063722512525, 134.230252706831 35.5058909895596, 134.231074589165 35.5050313579409, 134.231847613902 35.5054725623875, 134.23268670768 35.5059432881491)) ^^http://www.opengis.net/ont/geosparql#wktLiteral