メタデータ名 G20544013471
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8187500 42.8208334, 141.8250000 42.8208334, 141.8250000 42.8250000, 141.8187500 42.8250000, 141.8187500 42.8208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral