メタデータ名 ieClassification-273
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.2875000 35.0291667, 136.2937500 35.0291667, 136.2937500 35.0333333, 136.2875000 35.0333333, 136.2875000 35.0291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral