メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.33085929297 38.2425237821109, 140.331144295697 38.2424998046049, 140.331636754347 38.2437706153782, 140.331424141369 38.2438186965742, 140.331248982684 38.2438583495849, 140.329899149686 38.2441448193875, 140.329489073841 38.2442372400533, 140.328420269409 38.2444539478393, 140.328250616476 38.2441354772338, 140.328021413172 38.2436973695334, 140.328015205624 38.2436850947364, 140.327606805943 38.2428834248209, 140.329017873064 38.2427360535497, 140.32911099861 38.2427239249952, 140.32933584301 38.2427008183805, 140.329841426393 38.2426442861848, 140.330698575187 38.242546885468, 140.330703576852 38.2425463437969, 140.33085929297 38.2425237821109)) ^^http://www.opengis.net/ont/geosparql#wktLiteral