メタデータ名 G20523950681
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3250000 38.4708334, 141.3312500 38.4708334, 141.3312500 38.4750000, 141.3250000 38.4750000, 141.3250000 38.4708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral