メタデータ名 G20523410861
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8250000 39.3375000, 141.8312500 39.3375000, 141.8312500 39.3416667, 141.8250000 39.3416667, 141.8250000 39.3375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral