メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.002567642456 34.8889564798365, 137.002103296323 34.8884823563362, 137.001946538183 34.8883388910162, 137.001856103048 34.8882345333029, 137.001744648452 34.8881005672341, 137.001508141686 34.8877833147515, 137.000981463317 34.8871042942538, 137.001355727211 34.8870138862737, 137.00161944351 34.8869147326597, 137.002026134251 34.8867698554853, 137.002162639538 34.8868939962209, 137.002353801465 34.8870407484955, 137.002544986462 34.8871762318854, 137.002689775112 34.8873316537756, 137.003015925427 34.88761543089, 137.003171780549 34.8878857347601, 137.003499193766 34.8880733066351, 137.003580521527 34.8881158143726, 137.003550953869 34.8881180983448, 137.00346909178 34.8881244672813, 137.003372668712 34.8881349010335, 137.00325908167 34.8881594673898, 137.003194754491 34.888185861115, 137.003121844803 34.8882192855326, 137.002963678802 34.88834851806, 137.002848282933 34.888428155869, 137.002426920289 34.8886190768843, 137.002567642456 34.8889564798365)) ^^http://www.opengis.net/ont/geosparql#wktLiteral