メタデータ名 C23447-19771201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.1187500 36.1708334, 140.1250000 36.1708334, 140.1250000 36.1750000, 140.1187500 36.1750000, 140.1187500 36.1708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral