メタデータ名 G20473017184
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.0250000 39.5041667, 142.0312500 39.5041667, 142.0312500 39.5083333, 142.0250000 39.5083333, 142.0250000 39.5041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral