メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.588006539482 35.2840910370485, 136.587833584504 35.2841119562819, 136.587766680373 35.2841358554523, 136.587722706167 35.2841661333912, 136.587588497302 35.2843244888831, 136.587376620143 35.2844921131378, 136.587278447461 35.2845409997509, 136.587182894404 35.2845713784259, 136.585714499267 35.28458597456, 136.585550545051 35.284567217598, 136.584918417303 35.2844407541615, 136.584357211193 35.2843617605219, 136.582280991335 35.2844353880987, 136.58143752228 35.2830811654829, 136.584436814023 35.2816801824239, 136.586643922668 35.2806637699633, 136.58772933347 35.2801586205818, 136.587961704907 35.2808620464702, 136.587981013129 35.2810693871513, 136.587996660584 35.2817914824207, 136.587994175461 35.2839333759822, 136.588006539482 35.2840910370485)) ^^http://www.opengis.net/ont/geosparql#wktLiteral