メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.650593240021 33.2468026742658, 131.651748538913 33.2469536143062, 131.652918063531 33.2471058609181, 131.653728180487 33.247207421389, 131.653537813244 33.2483180215119, 131.653532831174 33.2483470026059, 131.653273455233 33.2497438443856, 131.653005682531 33.2512188253629, 131.652959869187 33.251506213301, 131.65213310633 33.2514037547634, 131.650970052463 33.2512552456002, 131.649819132709 33.2511086888496, 131.648401692746 33.2509228369601, 131.64869825602 33.2491313345387, 131.648833576068 33.248447184098, 131.648884203251 33.2480889487279, 131.648941029703 33.2477587040459, 131.649044705377 33.2472114257071, 131.649139568155 33.2466231021684, 131.650593240021 33.2468026742658)) ^^http://www.opengis.net/ont/geosparql#wktLiteral