メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.722268209977 35.2376691780081, 136.720898794926 35.2377679331328, 136.721394890075 35.2375310702766, 136.721471390258 35.2374644447835, 136.721325227802 35.2373434146987, 136.721038449358 35.2370836276319, 136.7209212755 35.2371322866372, 136.720734256089 35.2370267415729, 136.720226103789 35.2362341440341, 136.720321807968 35.2358809476307, 136.720168598818 35.234960607948, 136.720911677245 35.2349262711751, 136.721011467965 35.235302365376, 136.721177022993 35.2357861709189, 136.721283532511 35.2360166461281, 136.721356068935 35.2361731183614, 136.721437044785 35.2363166626678, 136.721518104156 35.2364449246125, 136.72170807649 35.2367016159824, 136.721935091609 35.2369812556727, 136.722130830725 35.2372825401432, 136.722301133219 35.2376682402768, 136.722268209977 35.2376691780081)) ^^http://www.opengis.net/ont/geosparql#wktLiteral