メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.455815362798 43.0283483595317, 144.454307302921 43.0287271783987, 144.451452629443 43.0294440927182, 144.452511054434 43.031842332532, 144.452379706592 43.0318740483689, 144.45207330059 43.0319481667359, 144.450692650647 43.0308106917192, 144.449384216636 43.029782646179, 144.44828421172 43.0288616958885, 144.447864210454 43.0284550499663, 144.447483052122 43.0280461787676, 144.446667778232 43.0270656563393, 144.445707580089 43.0259286872666, 144.444815716278 43.0248684586339, 144.444644111269 43.0246794760373, 144.44412092889 43.0241034045041, 144.443121259666 43.0231203413697, 144.442053888026 43.0220654268767, 144.442952150318 43.0219735192963, 144.443335746647 43.0219202394625, 144.44290712917 43.0210059034371, 144.442283718393 43.0196757953564, 144.441887701452 43.0188309467778, 144.441791024716 43.0186245600829, 144.450467319458 43.016563888761, 144.45156099719 43.0188082925645, 144.452407130127 43.0207057500337, 144.455815362798 43.0283483595317)) ^^http://www.opengis.net/ont/geosparql#wktLiteral