メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.105931047851 43.0781721822634, 142.105614413916 43.0785678691934, 142.105304496453 43.0786831585024, 142.105177004096 43.0786829926232, 142.105031878791 43.0784424868467, 142.10495301804 43.0784112283119, 142.104770878142 43.0784109907325, 142.104661477079 43.0784642283159, 142.104588547477 43.0784909281238, 142.104467242869 43.0784461806808, 142.104382240519 43.0784460694805, 142.104206169881 43.0784502698328, 142.104060599613 43.0783922677169, 142.104018152176 43.0783699882817, 142.103835916699 43.078409766625, 142.103571528294 43.0785362935651, 142.103593699918 43.0775261060971, 142.103678834963 43.0768138440697, 142.103822173147 43.0763895188097, 142.10385140821 43.0763246427335, 142.104046665677 43.0758914539484, 142.104733429462 43.0760290734985, 142.105069243791 43.0751479907569, 142.105770701944 43.0752964534883, 142.106513815145 43.0754682457002, 142.105809778279 43.0766646405451, 142.105552329105 43.076858277134, 142.105333039737 43.0771783474225, 142.1052801133 43.0775596792767, 142.105425163222 43.0778269095466, 142.105931047851 43.0781721822634)) ^^http://www.opengis.net/ont/geosparql#wktLiteral