メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.365056177816 43.1189000287663, 141.365676470795 43.1189802147999, 141.365599484107 43.1192860330973, 141.365598364887 43.1192904552045, 141.365430923809 43.1194376223341, 141.365337979151 43.1198253234416, 141.365327944234 43.1198755298488, 141.365268795281 43.1200829617032, 141.365238342626 43.1202109338027, 141.36465738351 43.1201318203098, 141.364624761118 43.1202570326205, 141.363400602825 43.1201007057294, 141.363510265972 43.119632890681, 141.363632336798 43.1192189828134, 141.363639871885 43.1191934315078, 141.363698320613 43.1189622305252, 141.363745712834 43.1187390355934, 141.364369727153 43.1188139128876, 141.364470058906 43.1188268553429, 141.364967978471 43.1188912592963, 141.365056177816 43.1189000287663)) ^^http://www.opengis.net/ont/geosparql#wktLiteral