メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.012287659311 37.7630008573579, 139.011887140962 37.7630836893842, 139.011475118054 37.7630666142064, 139.011490770206 37.7629001384059, 139.011554192066 37.7624286558546, 139.011586413025 37.7622222667157, 139.012106629106 37.7622297241044, 139.013077104598 37.7620713419795, 139.013187444944 37.7624802645592, 139.013230487917 37.7626397256999, 139.013284332185 37.7626368187946, 139.013324124563 37.7627877055174, 139.013286754966 37.762794202449, 139.012287659311 37.7630008573579)) ^^http://www.opengis.net/ont/geosparql#wktLiteral