メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.894583323135 35.3470675185955, 134.888742485088 35.3470618805378, 134.88849054171 35.343670524058, 134.892879819915 35.3424430608469, 134.895203653748 35.3417931479441, 134.900877421178 35.3401308216971, 134.901364502813 35.3466778653149, 134.894583323135 35.3470675185955)) ^^http://www.opengis.net/ont/geosparql#wktLiteral