メタデータ名 G20594014023
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2312500 39.4708334, 141.2375000 39.4708334, 141.2375000 39.4750000, 141.2312500 39.4750000, 141.2312500 39.4708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral