メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.995611842891 35.0017022381364, 136.996865200482 35.0014933090436, 136.997458726106 35.0014001272288, 136.997415305988 35.0030882492613, 136.996811710807 35.0030868333255, 136.995652485517 35.0030745470045, 136.994919745281 35.0030663134746, 136.994891475295 35.00261646253, 136.994887981761 35.0023336971024, 136.994549751675 35.0023488457619, 136.994546857513 35.0021079843146, 136.994321403261 35.0021042793096, 136.994310930653 35.0019120718551, 136.995611842891 35.0017022381364)) ^^http://www.opengis.net/ont/geosparql#wktLiteral