メタデータ名 C43468-20051001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0187500 38.8458334, 141.0250000 38.8458334, 141.0250000 38.8500000, 141.0187500 38.8500000, 141.0187500 38.8458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral