メタデータ名 G20533307921
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8187500 39.8916667, 141.8250000 39.8916667, 141.8250000 39.8958334, 141.8187500 39.8958334, 141.8187500 39.8916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral