メタデータ名 G20473045973
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4937500 40.2833333, 140.5000000 40.2833333, 140.5000000 40.2875000, 140.4937500 40.2875000, 140.4937500 40.2833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral