メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.689942320607 34.8400667058683, 134.689696023351 34.8402885052738, 134.689593770677 34.8403774044396, 134.689493065178 34.8402691699408, 134.689400249348 34.8403181785526, 134.688873254627 34.8396625588311, 134.68899369534 34.8395864962984, 134.688869823216 34.8394255771914, 134.688963621389 34.8393376896412, 134.689210644523 34.839482258479, 134.689351194951 34.839579459239, 134.689549893815 34.8397302272761, 134.689649205409 34.8397917005045, 134.689875789969 34.8399507653326, 134.689845601172 34.8399817019593, 134.689942320607 34.8400667058683)) ^^http://www.opengis.net/ont/geosparql#wktLiteral