メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.996172084097 43.557969657098, 144.996436179321 43.5581509529926, 144.996148168007 43.5583963293881, 144.996227070618 43.5584516359645, 144.996604030176 43.5587034536392, 144.996681256486 43.5587643915046, 144.996372335615 43.5590093207532, 144.996295097308 43.5589566105884, 144.995827113178 43.5586338124907, 144.995567550801 43.5584671734192, 144.995438808405 43.5585534557094, 144.995111516564 43.5583390084374, 144.995043544541 43.5582944426691, 144.995781387291 43.5577132454535, 144.995835845148 43.5577498378143, 144.995989885849 43.5578457060369, 144.996172084097 43.557969657098)) ^^http://www.opengis.net/ont/geosparql#wktLiteral