メタデータ名 G20573976974
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.4937500 31.5500000, 130.5000000 31.5500000, 130.5000000 31.5541667, 130.4937500 31.5541667, 130.4937500 31.5500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral