メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.870430085864 35.4100579755989, 136.8703927291 35.4106044819041, 136.870321319979 35.4112185080462, 136.870239491491 35.4118053256222, 136.869719514404 35.4118367148584, 136.869188612355 35.4118680747973, 136.869141198712 35.4118725344347, 136.867786555892 35.4119998677254, 136.867816563239 35.4112589825866, 136.867852710723 35.4105143095832, 136.867861015195 35.4100300517292, 136.867872208959 35.4097183292133, 136.869249454446 35.4097444303211, 136.870446489035 35.4097598587304, 136.870430085864 35.4100579755989)) ^^http://www.opengis.net/ont/geosparql#wktLiteral