メタデータ名 C18364-19870301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.3125000 35.2750000, 140.3187500 35.2750000, 140.3187500 35.2791667, 140.3125000 35.2791667, 140.3125000 35.2750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral