メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.682500364516 34.8317310586164, 134.681355363618 34.832086704258, 134.681041073702 34.8314355106082, 134.680907281581 34.8311583359463, 134.682003757865 34.8307926920457, 134.68223787808 34.8312381821382, 134.682346882554 34.831429363161, 134.682500364516 34.8317310586164)) ^^http://www.opengis.net/ont/geosparql#wktLiteral