メタデータ名 S47211021101
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7312500 35.5333333, 139.7375000 35.5333333, 139.7375000 35.5375000, 139.7312500 35.5375000, 139.7312500 35.5333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral