メタデータ名 G20493025473
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6000000 42.6791667, 140.6062500 42.6791667, 140.6062500 42.6833333, 140.6000000 42.6833333, 140.6000000 42.6791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral