メタデータ名 G20523510552
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1875000 45.2458334, 141.1937500 45.2458334, 141.1937500 45.2500000, 141.1875000 45.2500000, 141.1875000 45.2458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral