メタデータ名 G20523410471
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4312500 40.4458334, 141.4375000 40.4458334, 141.4375000 40.4500000, 141.4312500 40.4500000, 141.4312500 40.4458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral