メタデータ名 ieClassification-7_2_3
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.376167925286 43.7644889045763, 142.376475423549 43.7650494019462, 142.374980347991 43.7654874613246, 142.374663026601 43.7649219968543, 142.374336458771 43.7643412828033, 142.375849660022 43.763916746408, 142.376167925286 43.7644889045763)) ^^http://www.opengis.net/ont/geosparql#wktLiteral