メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.548061437864 34.0515004058284, 134.547718836191 34.0515639003075, 134.54714808057 34.0516942719572, 134.546857676772 34.0517702786676, 134.546551992261 34.0518767700687, 134.546046464505 34.0520196148797, 134.545849396472 34.0520753149163, 134.54518835767 34.0500924433895, 134.546752027617 34.0495254676332, 134.547114470856 34.0493839119632, 134.547685924454 34.0507264413272, 134.548014327346 34.0514748173955, 134.548061437864 34.0515004058284)) ^^http://www.opengis.net/ont/geosparql#wktLiteral