メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.388582323328 31.6056656073426, 131.388532760625 31.6057160714589, 131.388110754506 31.6060963283576, 131.387830627122 31.6063312717897, 131.387531082757 31.606529913667, 131.387104654698 31.6067782672132, 131.386895160268 31.6068613501714, 131.386577744419 31.6069997251695, 131.386439243561 31.6070675115635, 131.38611204626 31.6072601741344, 131.385624492452 31.6075828399255, 131.385218856998 31.6078838340745, 131.385005910164 31.6080492279859, 131.384645152663 31.6083113242209, 131.384610090624 31.6083549780194, 131.383926486139 31.6080553000516, 131.383450913131 31.6078364518015, 131.383418527359 31.6078300666703, 131.382902750597 31.607605276629, 131.382453930106 31.607393531763, 131.382204655093 31.6072932297801, 131.382822980623 31.6066115139847, 131.383107011454 31.6062718581478, 131.38341953359 31.6059332437339, 131.383421009012 31.6059316888113, 131.383477037965 31.6058913547642, 131.383539394993 31.6058779201474, 131.383957726935 31.6058739845561, 131.383989639834 31.6057553640252, 131.385245116572 31.6058295160092, 131.386320562151 31.6058910834047, 131.386573796161 31.6059724781077, 131.386700677921 31.605922765491, 131.386808087501 31.6058235045263, 131.386907636332 31.6056848053086, 131.38731371436 31.6049856704703, 131.387523208295 31.604625090723, 131.388259812498 31.6038468692487, 131.389542370577 31.6045068834353, 131.38941617524 31.6047114807858, 131.389061924682 31.6051773606785, 131.388582323328 31.6056656073426)) ^^http://www.opengis.net/ont/geosparql#wktLiteral