メタデータ名 G20684105774
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.3875000 42.3458334, 142.3937500 42.3458334, 142.3937500 42.3500000, 142.3875000 42.3500000, 142.3875000 42.3458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral