メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.778942757163 35.4138653973398, 136.77774809116 35.4139014716933, 136.776551157595 35.4139436175023, 136.776522491201 35.4135011147522, 136.777732804772 35.4134567928494, 136.777709498295 35.4130164905904, 136.777687378237 35.4126068594332, 136.777677690123 35.4123943726125, 136.779319179377 35.4123283519724, 136.77950357841 35.4129732441384, 136.779601995689 35.413358717977, 136.779745065636 35.413832287883, 136.778942757163 35.4138653973398)) ^^http://www.opengis.net/ont/geosparql#wktLiteral