メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.01045957312 35.4029967113931, 137.010385475143 35.4031278816428, 137.010177515062 35.4036323970928, 137.009741890618 35.4039305567358, 137.00969577313 35.4038882426021, 137.009418128229 35.4036204137072, 137.009232373475 35.4034314374663, 137.008893651705 35.4030851471641, 137.008416739372 35.4025064214506, 137.007832834799 35.4017262852465, 137.008302491862 35.4014009923764, 137.008984832426 35.4009283708036, 137.009060769115 35.4010114287938, 137.009026176175 35.4012493411101, 137.009480721953 35.4018881749862, 137.009777144957 35.4023131410182, 137.009956090301 35.4025729533962, 137.010026341829 35.4026767074155, 137.010162570106 35.4028274490419, 137.01026151692 35.4028987763976, 137.010342899468 35.4029457147365, 137.01045957312 35.4029967113931)) ^^http://www.opengis.net/ont/geosparql#wktLiteral