メタデータ名 C238
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.2687500 36.3208334, 140.2750000 36.3208334, 140.2750000 36.3250000, 140.2687500 36.3250000, 140.2687500 36.3208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral