メタデータ名 G20644320361
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.1312500 42.8833333, 143.1375000 42.8833333, 143.1375000 42.8875000, 143.1312500 42.8875000, 143.1312500 42.8833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral