メタデータ名 G20584166961
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3250000 39.4958334, 141.3312500 39.4958334, 141.3312500 39.5000000, 141.3250000 39.5000000, 141.3250000 39.4958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral