メタデータ名 C23212-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.7187500 37.8583333, 140.7250000 37.8583333, 140.7250000 37.8625000, 140.7187500 37.8625000, 140.7187500 37.8583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral