メタデータ名 G20543847381
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6125000 42.8125000, 141.6187500 42.8125000, 141.6187500 42.8166667, 141.6125000 42.8166667, 141.6125000 42.8125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral