メタデータ名 G20502907511
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1937500 40.8166667, 141.2000000 40.8166667, 141.2000000 40.8208334, 141.1937500 40.8208334, 141.1937500 40.8166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral