メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.729372412208 35.2460160236221, 136.729775464335 35.2459014676783, 136.730545692461 35.2457186323954, 136.730612194477 35.2461245148301, 136.730621645945 35.2469245734269, 136.730725663375 35.2474428454822, 136.730412820722 35.2474707515188, 136.730428282983 35.2476291914905, 136.730209037235 35.2482050517779, 136.729687153237 35.2481696759264, 136.729429063852 35.2464808880412, 136.728123461884 35.2466227218307, 136.728017988737 35.2463379699271, 136.729168229495 35.2460643840983, 136.729372412208 35.2460160236221)) ^^http://www.opengis.net/ont/geosparql#wktLiteral