メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.694896230627 34.8325619547667, 134.69363851714 34.8327802278469, 134.692938017488 34.8329141515888, 134.692795621312 34.8329314067316, 134.692037485832 34.8330803562932, 134.691767702008 34.8322454490115, 134.693399556249 34.83192628632, 134.694933304592 34.8316673296188, 134.695037475937 34.8325158953361, 134.694896230627 34.8325619547667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral