メタデータ名 G20493164291
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.4875000 31.2458334, 130.4937500 31.2458334, 130.4937500 31.2500000, 130.4875000 31.2500000, 130.4875000 31.2458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral