メタデータ名 G20493025453
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6250000 41.0500000, 140.6312500 41.0500000, 140.6312500 41.0541667, 140.6250000 41.0541667, 140.6250000 41.0500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral