メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.865838694486 37.4411940059768, 138.864096409699 37.4413368301594, 138.864336176549 37.4403827663542, 138.864630242454 37.4392024173475, 138.864725608584 37.4388047989642, 138.864890774733 37.4388203404253, 138.865092654586 37.4387287584522, 138.865430350055 37.4388311939758, 138.867566681964 37.4396725435671, 138.868091552475 37.4398570296998, 138.868299506322 37.4399473339475, 138.868471476937 37.4401082837218, 138.868555176216 37.4402444507823, 138.868736017221 37.4406306447785, 138.868997725753 37.4406002592791, 138.869165575677 37.4409470726674, 138.868564918113 37.4410003457914, 138.867869643668 37.4410415220874, 138.867663251673 37.4410551198417, 138.867190808185 37.4410955969644, 138.866784302573 37.4411251850876, 138.865838694486 37.4411940059768)) ^^http://www.opengis.net/ont/geosparql#wktLiteral