メタデータ名 G20493145244
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4687500 39.2958334, 140.4750000 39.2958334, 140.4750000 39.3000000, 140.4687500 39.3000000, 140.4687500 39.2958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral