メタデータ名 C15351-19740501
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9500000 38.7333333, 140.9562500 38.7333333, 140.9562500 38.7375000, 140.9500000 38.7375000, 140.9500000 38.7333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral