メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.857111159007 35.2605603887633, 136.855989644206 35.2606413604369, 136.854446678953 35.2607276342717, 136.85443565469 35.2607311967988, 136.852227950275 35.2608644405535, 136.85224551635 35.2588798256391, 136.852899089686 35.2588797760492, 136.854062160859 35.2588602764985, 136.854350424609 35.2588591964148, 136.854336018063 35.2591786689659, 136.854342276175 35.2595496040218, 136.855315184399 35.259485302501, 136.855884158186 35.2594498055905, 136.85588214971 35.2588252853515, 136.856355279842 35.2588246791906, 136.856774488239 35.2588248477582, 136.857021541181 35.2601115589482, 136.857111159007 35.2605603887633)) ^^http://www.opengis.net/ont/geosparql#wktLiteral