メタデータ名 G20513372083
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3250000 42.5625000, 141.3312500 42.5625000, 141.3312500 42.5666667, 141.3250000 42.5666667, 141.3250000 42.5625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral