メタデータ名 G20473122483
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1062500 40.8166667, 141.1125000 40.8166667, 141.1125000 40.8208334, 141.1062500 40.8208334, 141.1062500 40.8166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral