メタデータ名 G20574152022
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0875000 37.7208334, 139.0937500 37.7208334, 139.0937500 37.7250000, 139.0875000 37.7250000, 139.0875000 37.7208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral