メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.791126529208 37.9699839764926, 140.791470121415 37.9701309399595, 140.791975625764 37.9703415951581, 140.792512057675 37.9705414182793, 140.793033498699 37.9707441907777, 140.793876590052 37.9710820839597, 140.79327065397 37.9713970852438, 140.792084757336 37.9719690869436, 140.790854323707 37.9725685120534, 140.790152406315 37.9729106332034, 140.788881181001 37.9735297317099, 140.787863920107 37.9740195386845, 140.787292482084 37.9743107305218, 140.787125273117 37.97324437324, 140.787027928752 37.9727148492431, 140.786995610716 37.9724679023067, 140.786934413408 37.972000337324, 140.786721087565 37.971110782987, 140.786638728941 37.970360094166, 140.788205117938 37.9702676649906, 140.788454849746 37.9702424222651, 140.788972920418 37.9700987444908, 140.789174272393 37.9703737715475, 140.789572397138 37.9702741096356, 140.789698408144 37.9704269072185, 140.790847222319 37.9698391479199, 140.791126529208 37.9699839764926)) ^^http://www.opengis.net/ont/geosparql#wktLiteral