メタデータ名 G20503064363
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9187500 42.3916667, 140.9250000 42.3916667, 140.9250000 42.3958334, 140.9187500 42.3958334, 140.9187500 42.3916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral