メタデータ名 G20503561141
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.3062500 31.4541667, 130.3125000 31.4541667, 130.3125000 31.4583333, 130.3062500 31.4583333, 130.3062500 31.4541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral