メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.003355320983 34.886617571225, 137.004302052831 34.8872535515884, 137.003914555219 34.8876616521969, 137.003551740586 34.8880284443918, 137.003499193766 34.8880733066351, 137.003171780549 34.8878857347601, 137.003015925427 34.88761543089, 137.002689775112 34.8873316537756, 137.002544986462 34.8871762318854, 137.002353801465 34.8870407484955, 137.002162639538 34.8868939962209, 137.002026134251 34.8867698554853, 137.001876155519 34.8865442781869, 137.001753524336 34.8863187351255, 137.00173849632 34.8862039851467, 137.002138993189 34.8858101272973, 137.003355320983 34.886617571225)) ^^http://www.opengis.net/ont/geosparql#wktLiteral