メタデータ名 G20492976284
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.3375000 35.8375000, 138.3437500 35.8375000, 138.3437500 35.8416667, 138.3375000 35.8416667, 138.3375000 35.8375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral