メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.339163313366 43.0670149574332, 141.33913021588 43.067364863385, 141.339114885061 43.0675580068169, 141.337466903307 43.0673117903544, 141.337546784766 43.066951357787, 141.337584922117 43.06677949593, 141.337723604809 43.0662120597423, 141.339316276243 43.0664214707912, 141.33926419622 43.0665894242276, 141.339224559441 43.0667527650425, 141.339181654183 43.0669229718475, 141.339163313366 43.0670149574332)) ^^http://www.opengis.net/ont/geosparql#wktLiteral