メタデータ名 G20533963594
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7125000 42.7666667, 141.7187500 42.7666667, 141.7187500 42.7708334, 141.7125000 42.7708334, 141.7125000 42.7666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral