メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.552912865131 34.0631614970276, 134.55262834608 34.0632511313811, 134.55262444909 34.0632301749353, 134.552495906208 34.0628345248973, 134.552826413497 34.0627409050245, 134.554357485014 34.0622584046761, 134.55447476865 34.0624689099267, 134.554540676426 34.0626244235591, 134.552912865131 34.0631614970276)) ^^http://www.opengis.net/ont/geosparql#wktLiteral