メタデータ名 ieClassification-930
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.9312500 36.3625000, 137.9375000 36.3625000, 137.9375000 36.3666667, 137.9312500 36.3666667, 137.9312500 36.3625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral