メタデータ名 G20503131173
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6250000 35.1708334, 139.6312500 35.1708334, 139.6312500 35.1750000, 139.6250000 35.1750000, 139.6250000 35.1708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral