メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.004307098958 35.0049194165987, 137.00418800117 35.0058893902286, 137.004090858476 35.0058846810815, 137.003549043861 35.0058813401102, 137.002734768552 35.0058653714349, 137.001570556372 35.0058680720041, 137.001568538527 35.0053676852529, 137.001552256348 35.0051987082955, 137.001515871728 35.0049100485028, 137.002118038157 35.0049108746386, 137.002112126445 35.0044631612702, 137.002684114669 35.0044601406686, 137.002651775848 35.0040156309101, 137.002629227836 35.0035878260562, 137.002593933226 35.0031121843818, 137.0045021317 35.0031861848922, 137.004408851751 35.0040151983445, 137.004307098958 35.0049194165987)) ^^http://www.opengis.net/ont/geosparql#wktLiteral