メタデータ名 G20574052383
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.3625000 31.6208334, 131.3687500 31.6208334, 131.3687500 31.6250000, 131.3625000 31.6250000, 131.3625000 31.6208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral