メタデータ名 G20392777664
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.1000000 37.1208334, 138.1062500 37.1208334, 138.1062500 37.1250000, 138.1000000 37.1250000, 138.1000000 37.1208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral