メタデータ名 G20503213422
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.0062500 37.0583333, 137.0125000 37.0583333, 137.0125000 37.0625000, 137.0062500 37.0625000, 137.0062500 37.0583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral