メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.092210461523 36.7007699733158, 137.091865255814 36.7010399787374, 137.091092157403 36.7015903545131, 137.090880860189 36.7017398352892, 137.090525390665 36.7014992459814, 137.089703345378 36.700979556036, 137.089875046046 36.7007802054001, 137.089970422119 36.7006779658013, 137.090180340152 36.700350781003, 137.090220981739 36.7002321733962, 137.09043549193 36.6996061188169, 137.090833961559 36.699713315146, 137.091298768098 36.6999161627407, 137.091493192066 36.7000385070082, 137.091668699254 36.700165768808, 137.092210461523 36.7007699733158)) ^^http://www.opengis.net/ont/geosparql#wktLiteral