メタデータ名 S21201922003
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.5125000 35.6250000, 139.5187500 35.6250000, 139.5187500 35.6291667, 139.5125000 35.6291667, 139.5125000 35.6250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral