メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.549813690616 34.0606517768242, 134.549307407286 34.0608543745334, 134.549199709223 34.0599376818007, 134.549725769626 34.0598841660818, 134.54977169402 34.0592990326371, 134.550002949516 34.0593034669211, 134.550010343265 34.0596283139448, 134.550079588956 34.0605485723452, 134.549813690616 34.0606517768242)) ^^http://www.opengis.net/ont/geosparql#wktLiteral