メタデータ名 C28661-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.4625000 44.3583333, 142.4687500 44.3583333, 142.4687500 44.3625000, 142.4625000 44.3625000, 142.4625000 44.3583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral