メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.007535007445 43.1829996725115, 141.008097517014 43.1834591186298, 141.008556197893 43.183835220546, 141.009353534704 43.184464028038, 141.010158910936 43.1851140865476, 141.009525149619 43.1854857993566, 141.008713116133 43.1859987664952, 141.008587480965 43.186070897255, 141.00770577446 43.1866628562788, 141.007208561554 43.1862999737988, 141.006578005205 43.1857975124283, 141.006500902063 43.1857418883906, 141.006032980622 43.1854042878517, 141.005542345842 43.185011651763, 141.005153800514 43.1846986117155, 141.005059642089 43.1846452627685, 141.004555704596 43.1842504390229, 141.005171862891 43.1838096406528, 141.005633409531 43.1834572489047, 141.00634486016 43.1829704996543, 141.006952585683 43.18255576122, 141.007535007445 43.1829996725115)) ^^http://www.opengis.net/ont/geosparql#wktLiteral