メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.575092718153 35.0187941595845, 135.574527708501 35.0192812428449, 135.574313690668 35.0191998555841, 135.574057147152 35.0190483152499, 135.573891286097 35.0188998378989, 135.573832960734 35.0188059643466, 135.57380536742 35.0187700207065, 135.574286116843 35.0184710423173, 135.574333982773 35.018526424828, 135.574490946949 35.0184330904847, 135.574591694662 35.0185507754418, 135.57480923745 35.0184294121248, 135.574967034473 35.0185317297167, 135.575035602209 35.0186731066881, 135.575092718153 35.0187941595845)) ^^http://www.opengis.net/ont/geosparql#wktLiteral