メタデータ名 C4911
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.2875000 32.9250000, 131.2937500 32.9250000, 131.2937500 32.9291667, 131.2875000 32.9291667, 131.2875000 32.9250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral