メタデータ名 G20493021494
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.2562500 31.8125000, 130.2625000 31.8125000, 130.2625000 31.8166667, 130.2562500 31.8166667, 130.2562500 31.8125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral