メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.339763777406 43.0281568874784, 141.339757866195 43.028303901812, 141.339745650905 43.028391014292, 141.33971438321 43.0286127277277, 141.339657630743 43.029060351511, 141.337926910901 43.0289372753194, 141.337935597358 43.028875032532, 141.337959280087 43.0287128983707, 141.337984362656 43.0285015445514, 141.338039459553 43.028088722882, 141.338083636342 43.0279214775671, 141.338175961361 43.0277070721348, 141.3382633234 43.0275688656561, 141.338548423102 43.0272380507022, 141.339782498086 43.0277138853056, 141.339830338793 43.0277329735046, 141.339763777406 43.0281568874784)) ^^http://www.opengis.net/ont/geosparql#wktLiteral