メタデータ名 G20492957392
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.1875000 36.0000000, 137.1937500 36.0000000, 137.1937500 36.0041667, 137.1875000 36.0041667, 137.1875000 36.0000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral