メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.733780569533 35.2487888169418, 136.734367662564 35.2488479964642, 136.734316789494 35.2494391021679, 136.73432836891 35.2498447885239, 136.734285605541 35.2501376045417, 136.734228627213 35.2505205140531, 136.732741119181 35.2503297786006, 136.73265159989 35.2503017157501, 136.732491814405 35.2501288227441, 136.732372370299 35.2501182599984, 136.73266812966 35.2495121725305, 136.73273770796 35.2492225505898, 136.732761120927 35.2486955746484, 136.733441328113 35.2487599458788, 136.733780569533 35.2487888169418)) ^^http://www.opengis.net/ont/geosparql#wktLiteral