メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.923728081387 35.482324780852, 136.923795904064 35.4825126281673, 136.923823023727 35.4825417674805, 136.923856454835 35.482561517776, 136.923650169629 35.4826072653121, 136.92369567538 35.4827573565021, 136.922772495216 35.482966307452, 136.922605477957 35.4825814988903, 136.922507307908 35.4823657377682, 136.922503269055 35.482355763635, 136.9224865395 35.482314392137, 136.923496234547 35.4821282232417, 136.923774608521 35.4820658952597, 136.923796349106 35.4821378055145, 136.923968503308 35.4820902639665, 136.924026574658 35.4822640079659, 136.923728081387 35.482324780852)) ^^http://www.opengis.net/ont/geosparql#wktLiteral