メタデータ名 G20563936563
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7875000 42.7291667, 141.7937500 42.7291667, 141.7937500 42.7333333, 141.7875000 42.7333333, 141.7875000 42.7291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral