メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.852461417672 35.2644598252342, 136.852565166978 35.2644307998526, 136.852547814346 35.2644548401527, 136.852515619181 35.2645358859682, 136.852500528281 35.2646886694147, 136.852485578335 35.2648550461274, 136.852454023307 35.2650079271097, 136.852362744229 35.265233049553, 136.852276749508 35.2654356496773, 136.852110695847 35.2656469842626, 136.851980204408 35.2656579104748, 136.851864350658 35.2656149287748, 136.851438961908 35.2648601898389, 136.851424594267 35.2648621235723, 136.851368650156 35.2647656344913, 136.852461417672 35.2644598252342)) ^^http://www.opengis.net/ont/geosparql#wktLiteral