メタデータ名 C21463-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.2187500 35.2125000, 135.2250000 35.2125000, 135.2250000 35.2166667, 135.2187500 35.2166667, 135.2187500 35.2125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral