メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.112006372982 37.9120235653115, 140.112755423558 37.9118934186783, 140.113222091525 37.9136115525867, 140.113467500253 37.9145835998026, 140.112815505315 37.9146988572681, 140.111542053107 37.9149267344064, 140.111428451655 37.9149456075189, 140.110551554415 37.9151031172699, 140.109758137483 37.915237200545, 140.109585587333 37.9145861530093, 140.109293135671 37.9135104767852, 140.109052235056 37.9126006749933, 140.110018727632 37.9125181991907, 140.110661790535 37.9123564437733, 140.111373979254 37.9121852529998, 140.112006372982 37.9120235653115)) ^^http://www.opengis.net/ont/geosparql#wktLiteral