メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.631088796836 34.8020894942165, 134.632212571287 34.8023837991117, 134.632264406767 34.802398179941, 134.633010127876 34.802512969976, 134.632999181348 34.8032185524845, 134.632993008513 34.8033239292709, 134.632141456065 34.80331887577, 134.632087623019 34.8033185560998, 134.631454276141 34.8033149030596, 134.631083039055 34.8033127605492, 134.630392912098 34.8033087746287, 134.629623045059 34.8033013608199, 134.629621156336 34.802771459, 134.629618132659 34.8021380532356, 134.629616101262 34.8017125020511, 134.631088796836 34.8020894942165)) ^^http://www.opengis.net/ont/geosparql#wktLiteral