メタデータ名 G20554003103
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6687500 44.3166667, 141.6750000 44.3166667, 141.6750000 44.3208334, 141.6687500 44.3208334, 141.6687500 44.3166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral