メタデータ名 G20574017001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.5187500 31.6375000, 130.5250000 31.6375000, 130.5250000 31.6416667, 130.5187500 31.6416667, 130.5187500 31.6375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral