メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.10544420941 39.6707099262555, 140.1051341567 39.6708271875882, 140.104866442206 39.6709230395582, 140.104457915674 39.6710613543247, 140.103431219059 39.6714220196168, 140.102881711339 39.6716136270731, 140.102503796862 39.6716803512124, 140.101703301556 39.6717965544684, 140.101151334393 39.6696492781905, 140.102608238059 39.6694240927489, 140.104515121694 39.6691258558341, 140.104379559523 39.6693363236377, 140.104588520092 39.6694893858895, 140.104766212043 39.670278919782, 140.105170583598 39.6705361570816, 140.105393683828 39.6706784361949, 140.10544420941 39.6707099262555)) ^^http://www.opengis.net/ont/geosparql#wktLiteral