メタデータ名 G20493010903
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.2000000 36.1291667, 136.2062500 36.1291667, 136.2062500 36.1333333, 136.2000000 36.1333333, 136.2000000 36.1291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral