メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.339116061593 43.067692274421, 141.339114885061 43.0675580068169, 141.33913021588 43.067364863385, 141.339163313366 43.0670149574332, 141.339181654183 43.0669229718475, 141.339224559441 43.0667527650425, 141.33926419622 43.0665894242276, 141.339316276243 43.0664214707912, 141.34011499234 43.0665210881902, 141.3409430977 43.0665276767292, 141.340937092302 43.0671416046537, 141.340604282671 43.0672227198606, 141.340091925911 43.0673474860293, 141.339558928008 43.0675251838157, 141.339116061593 43.067692274421)) ^^http://www.opengis.net/ont/geosparql#wktLiteral