メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.514346976357 34.4993346300417, 133.514342058657 34.4992981140294, 133.514023566878 34.4976434066667, 133.51544801599 34.4974805147551, 133.516562135288 34.4973413146706, 133.517130442144 34.4972784758808, 133.517321098141 34.4984739630958, 133.517404904366 34.4989534474737, 133.515711243851 34.4991609082499, 133.514346976357 34.4993346300417)) ^^http://www.opengis.net/ont/geosparql#wktLiteral