メタデータ名 G20553863534
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4062500 37.2250000, 138.4125000 37.2250000, 138.4125000 37.2291667, 138.4062500 37.2291667, 138.4062500 37.2250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral