メタデータ名 G20503140321
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.2000000 35.1166667, 137.2062500 35.1166667, 137.2062500 35.1208334, 137.2000000 35.1208334, 137.2000000 35.1166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral