メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.399653808946 34.7652586934147, 137.399029303634 34.7653927180089, 137.398496806773 34.7655079705206, 137.397174662453 34.7657820585927, 137.397138339124 34.7656556445368, 137.397008974663 34.7651841863411, 137.397005591396 34.7651719384837, 137.396996948264 34.7651404042236, 137.396993654114 34.765129565146, 137.396881818429 34.7647630002766, 137.396870730059 34.7647265405603, 137.39729603521 34.7646420720658, 137.398208227534 34.7644538412043, 137.398254377625 34.7644472731498, 137.398153363314 34.7640904125592, 137.398597998899 34.764068854813, 137.399182290294 34.7647171889015, 137.399554919686 34.7651526837259, 137.399586056459 34.7651860048933, 137.399653808946 34.7652586934147)) ^^http://www.opengis.net/ont/geosparql#wktLiteral