メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.976051357844 43.553081595731, 144.97589775464 43.5528958937635, 144.975479069623 43.5523850711924, 144.975120100416 43.5520876796348, 144.974487393354 43.5518259984049, 144.974060542845 43.5516868223318, 144.973454955341 43.5515847445829, 144.97472969499 43.5506474483955, 144.974855584963 43.5505533829374, 144.975130104171 43.5506121248425, 144.975373811194 43.5510336705086, 144.975856506598 43.55215758605, 144.97601275267 43.5525561141275, 144.976051357844 43.553081595731)) ^^http://www.opengis.net/ont/geosparql#wktLiteral