メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.381837698417 34.9571371337529, 138.382300245935 34.9577335321015, 138.382432263493 34.9578146501319, 138.381499668431 34.9588639613412, 138.380647954149 34.9598316487641, 138.380570162383 34.9599274945043, 138.380441821283 34.9600680126919, 138.380315875371 34.9602086737114, 138.379972154957 34.9599926898195, 138.37963522987 34.9597810783043, 138.37962013394 34.9597716260298, 138.379296790246 34.9595685484484, 138.378914406508 34.9593171696883, 138.379233913251 34.9589911961009, 138.379315575949 34.9589114119359, 138.380165305759 34.9579739452784, 138.38060471022 34.9575173725207, 138.380727219184 34.9573688200056, 138.3810450883 34.9569522706055, 138.381369493507 34.9565316421548, 138.381837698417 34.9571371337529)) ^^http://www.opengis.net/ont/geosparql#wktLiteral