メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.299461963319 42.291199068122, 143.29684802896 42.2918981820192, 143.295736987884 42.2897400728774, 143.296300746314 42.2895512134925, 143.296901692257 42.2893312025032, 143.297481097378 42.2891035079823, 143.298128172768 42.2887637772901, 143.298540246381 42.2883917236851, 143.298441933491 42.2886728481463, 143.298164280253 42.2895533428678, 143.298370456319 42.2898298567664, 143.299461963319 42.291199068122)) ^^http://www.opengis.net/ont/geosparql#wktLiteral