メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.756262841441 35.3709039910779, 136.756432877154 35.3711547710539, 136.756374790281 35.371182256144, 136.756510148264 35.3714049626884, 136.756580085105 35.371371883783, 136.756987188063 35.3719910641774, 136.75639942246 35.3722422911339, 136.755554641239 35.3726006900404, 136.755488604897 35.3725086377258, 136.755113756818 35.3719985792004, 136.754444772702 35.3710778182547, 136.754293227301 35.3708776626815, 136.755894838001 35.3703245908892, 136.756006461453 35.3705056688874, 136.756262841441 35.3709039910779)) ^^http://www.opengis.net/ont/geosparql#wktLiteral