メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.533578325323 44.070054865495, 143.530392561442 44.0710338466184, 143.528727204307 44.0715904604454, 143.528592312776 44.0716355409667, 143.528541183669 44.0716526295325, 143.528225418813 44.0717589423364, 143.527370385742 44.0703777421548, 143.527283289998 44.0702371378997, 143.52792564886 44.070025309951, 143.527956249979 44.070015255849, 143.528843225705 44.0697227469623, 143.528939115232 44.0698730785967, 143.529516714212 44.0696843370982, 143.529700307135 44.0699850890401, 143.531321438815 44.0694649779907, 143.532900113638 44.0689584349819, 143.533578325323 44.070054865495)) ^^http://www.opengis.net/ont/geosparql#wktLiteral