メタデータ名 indicator-J2801
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.331962070404 43.7668745004859, 142.332680426966 43.767084822202, 142.332541188446 43.7673323314831, 142.33207312723 43.7681528614773, 142.331322775393 43.7679267188888, 142.331093971295 43.7678586345469, 142.330515215278 43.7676689151099, 142.330919572699 43.766977615921, 142.331130994408 43.7666289177805, 142.331962070404 43.7668745004859)) ^^http://www.opengis.net/ont/geosparql#wktLiteral