メタデータ名 G20492974274
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.0312500 39.5250000, 142.0375000 39.5250000, 142.0375000 39.5291667, 142.0312500 39.5291667, 142.0312500 39.5250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral