メタデータ名 G20574172812
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.4937500 31.5416667, 130.5000000 31.5416667, 130.5000000 31.5458334, 130.4937500 31.5458334, 130.4937500 31.5416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral