メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.367371021639 43.0390473141504, 141.367963642569 43.0390480834189, 141.368158825264 43.0390566907132, 141.368661709956 43.0390569757738, 141.368896058863 43.0390623670308, 141.369135252239 43.039064207676, 141.369828326552 43.0390802986332, 141.369860096484 43.0392524998736, 141.369929831309 43.0396666491693, 141.370015830638 43.0401437269077, 141.370020295783 43.0401734408332, 141.370089433161 43.0406295720194, 141.369371993967 43.0406061912542, 141.369225502358 43.0406050642743, 141.36906932728 43.0406038625917, 141.368644674609 43.0405898336262, 141.367932126796 43.0405664815058, 141.367154914272 43.0405526836242, 141.36668971782 43.0405443833639, 141.366776131084 43.04030860012, 141.36678163718 43.0402656702728, 141.366803254606 43.0401154010437, 141.366820744396 43.0396979153196, 141.366821916564 43.0396696509354, 141.366823148273 43.0395837175731, 141.366824295159 43.0395705741052, 141.366834774844 43.0394548920662, 141.366850309847 43.0390466041278, 141.367371021639 43.0390473141504)) ^^http://www.opengis.net/ont/geosparql#wktLiteral