メタデータ名 ieClassification-9_4_1
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.4062500 43.3458334, 142.4125000 43.3458334, 142.4125000 43.3500000, 142.4062500 43.3500000, 142.4062500 43.3458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral