メタデータ名 G20493173142
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.5000000 36.8250000, 137.5062500 36.8250000, 137.5062500 36.8291667, 137.5000000 36.8291667, 137.5000000 36.8250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral