メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.895354491564 37.0529506294873, 140.894473602386 37.0529487331757, 140.894030476246 37.0529477696114, 140.892957317287 37.0529454699217, 140.892958930488 37.0528722423269, 140.892967664521 37.0520801949853, 140.892987990537 37.0514522794059, 140.892996054775 37.0511672390681, 140.895350129699 37.0511656806827, 140.89534423829 37.0521091242308, 140.895354491564 37.0529506294873)) ^^http://www.opengis.net/ont/geosparql#wktLiteral