メタデータ名 G20523810691
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3875000 42.5666667, 141.3937500 42.5666667, 141.3937500 42.5708334, 141.3875000 42.5708334, 141.3875000 42.5666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral