メタデータ名 C40347-19890927
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.2187500 36.5625000, 137.2250000 36.5625000, 137.2250000 36.5666667, 137.2187500 36.5666667, 137.2187500 36.5625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral