メタデータ名 G20473023863
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0250000 37.3250000, 139.0312500 37.3250000, 139.0312500 37.3291667, 139.0250000 37.3291667, 139.0250000 37.3250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral