メタデータ名 C10306-19840401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.2312500 37.4583333, 137.2375000 37.4583333, 137.2375000 37.4625000, 137.2312500 37.4625000, 137.2312500 37.4583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral