メタデータ名 G20543956672
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9437500 42.6666667, 141.9500000 42.6666667, 141.9500000 42.6708334, 141.9437500 42.6708334, 141.9437500 42.6666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral