メタデータ名 G20493361221
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.2250000 38.4458334, 139.2312500 38.4458334, 139.2312500 38.4500000, 139.2250000 38.4500000, 139.2250000 38.4458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral