メタデータ名 G20492975043
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6875000 35.5250000, 139.6937500 35.5250000, 139.6937500 35.5291667, 139.6875000 35.5291667, 139.6875000 35.5250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral