メタデータ名 G20513201961
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.4250000 36.7708334, 137.4312500 36.7708334, 137.4312500 36.7750000, 137.4250000 36.7750000, 137.4250000 36.7708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral