メタデータ名 G20523556473
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4125000 43.1291667, 141.4187500 43.1291667, 141.4187500 43.1333333, 141.4125000 43.1333333, 141.4125000 43.1291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral