メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.626668406013 34.7953073855555, 134.628255926358 34.7952983285596, 134.628249330973 34.7967967924613, 134.628244534365 34.797887889522, 134.627067252378 34.7978806025056, 134.626663078451 34.7978760862606, 134.625084693909 34.7978636925213, 134.625095609102 34.797312206465, 134.62510822671 34.7953050884046, 134.626668406013 34.7953073855555)) ^^http://www.opengis.net/ont/geosparql#wktLiteral