メタデータ名 C12216-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.1687500 34.9208334, 135.1750000 34.9208334, 135.1750000 34.9250000, 135.1687500 34.9250000, 135.1687500 34.9208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral