メタデータ名 G20523531424
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3250000 38.4375000, 141.3312500 38.4375000, 141.3312500 38.4416667, 141.3250000 38.4416667, 141.3250000 38.4375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral