メタデータ名 G20574026294
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6875000 40.1708334, 141.6937500 40.1708334, 141.6937500 40.1750000, 141.6875000 40.1750000, 141.6875000 40.1708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral