メタデータ名 G20563972471
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9187500 42.7541667, 141.9250000 42.7541667, 141.9250000 42.7583333, 141.9187500 42.7583333, 141.9187500 42.7541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral