メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.99252954934 34.9308841293552, 136.993336190058 34.9311114888337, 136.99415110502 34.9313514610397, 136.993564836532 34.9326887678046, 136.993436806435 34.9329261401085, 136.993095406536 34.9337253678942, 136.992923161279 34.9341285354499, 136.992921185665 34.9341278989056, 136.992117212442 34.9339040608556, 136.991299928118 34.9336582259076, 136.990460150693 34.9334153109818, 136.991115401784 34.931943531973, 136.991702794398 34.9306520175878, 136.99252954934 34.9308841293552)) ^^http://www.opengis.net/ont/geosparql#wktLiteral