メタデータ名 C20306-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.3187500 35.2791667, 140.3250000 35.2791667, 140.3250000 35.2833333, 140.3187500 35.2833333, 140.3187500 35.2791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral