メタデータ名 C11213-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2812500 40.3250000, 141.2875000 40.3250000, 141.2875000 40.3291667, 141.2812500 40.3291667, 141.2812500 40.3250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral