メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.548386204925 37.6642825864137, 140.548435868939 37.6645206430979, 140.547699664489 37.6645876139814, 140.547494729169 37.664585192618, 140.547316844678 37.6645500863717, 140.546978809421 37.6644362611145, 140.545761581 37.663799359233, 140.544943245424 37.6632125548376, 140.546263059718 37.6626542457122, 140.546326645464 37.6627197523268, 140.546475125842 37.6626529651916, 140.546594093387 37.662620709751, 140.547007557719 37.6625444370133, 140.547106766947 37.6625201842724, 140.547215841873 37.6624905213019, 140.547410672514 37.6624234537512, 140.548202118172 37.6621817114455, 140.548455164912 37.663805454973, 140.548466588299 37.6638977437991, 140.548438110069 37.6639566254765, 140.548343938889 37.664182883188, 140.548386204925 37.6642825864137)) ^^http://www.opengis.net/ont/geosparql#wktLiteral