メタデータ名 C47380-19720515
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.3687500 35.3291667, 140.3750000 35.3291667, 140.3750000 35.3333333, 140.3687500 35.3333333, 140.3687500 35.3291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral