メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.298745834609 43.7662084054812, 142.298488928512 43.766282948481, 142.297996996768 43.7664906388074, 142.297867812523 43.7665512749194, 142.29774922369 43.7666068955387, 142.297320129859 43.7668082099167, 142.296969210389 43.7669645552212, 142.29636191805 43.7665143780492, 142.297466826334 43.7650487297376, 142.297526672646 43.7648749409849, 142.297436394344 43.7644984959041, 142.29779370002 43.7643517448737, 142.297626936472 43.7639914006688, 142.298430750241 43.7639412225445, 142.298501448323 43.7640067495239, 142.298602446186 43.7640658817776, 142.298741899462 43.7641284791783, 142.299008113178 43.7647377512802, 142.29921978958 43.7652019742968, 142.299289713174 43.765352695895, 142.299135896349 43.7653597064579, 142.299210577558 43.765568545407, 142.299573601704 43.7655423879884, 142.29953850322 43.7661103704998, 142.299232717615 43.7661198024334, 142.298966788821 43.7661562018598, 142.298824527776 43.7661898071228, 142.298745834609 43.7662084054812)) ^^http://www.opengis.net/ont/geosparql#wktLiteral