メタデータ名 G20503360994
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.9000000 35.8666667, 137.9062500 35.8666667, 137.9062500 35.8708334, 137.9000000 35.8708334, 137.9000000 35.8666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral