メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.63461958862 35.355070698189, 136.633891278826 35.3551014350191, 136.63391792297 35.3546109880444, 136.634017484044 35.352773891555, 136.633899009696 35.3524768927082, 136.634052615263 35.3522863029009, 136.63412104714 35.3521928729983, 136.63416610534 35.3523735629511, 136.634703634204 35.3546086717567, 136.634659494703 35.3546479151193, 136.63463705836 35.3546678164303, 136.634622473185 35.3550371900849, 136.63461958862 35.355070698189)) ^^http://www.opengis.net/ont/geosparql#wktLiteral