メタデータ名 G20553904731
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3250000 38.9125000, 141.3312500 38.9125000, 141.3312500 38.9166667, 141.3250000 38.9166667, 141.3250000 38.9125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral