メタデータ名 C1301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3687500 42.5625000, 141.3750000 42.5625000, 141.3750000 42.5666667, 141.3687500 42.5666667, 141.3687500 42.5625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral