メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.130307735003 34.8247541026238, 138.130269568732 34.8246944736922, 138.13006307806 34.8245180540476, 138.13005099749 34.8245077348357, 138.129843079401 34.8243260989139, 138.13031324401 34.8239187638119, 138.130175510753 34.8237602310743, 138.130546099642 34.8235621181002, 138.13065417244 34.823495821891, 138.13073893613 34.8235434080914, 138.130796807142 34.8235698536171, 138.130843747851 34.8235768279689, 138.130901761175 34.8235712295945, 138.131022115644 34.8235181402781, 138.131100335844 34.8236162743529, 138.13105456665 34.8236628294909, 138.130930510175 34.8237802792078, 138.130680919751 34.8240209487353, 138.130943734848 34.824062104636, 138.13101159385 34.8240704812604, 138.130645782759 34.8242984017005, 138.130721952935 34.824406037741, 138.130307735003 34.8247541026238)) ^^http://www.opengis.net/ont/geosparql#wktLiteral