メタデータ名 C4938
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.6000000 33.2375000, 130.6062500 33.2375000, 130.6062500 33.2416667, 130.6000000 33.2416667, 130.6000000 33.2375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral