メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.620762366308 35.3456182255728, 136.620881675131 35.3465112262275, 136.619095415721 35.3466311492841, 136.61842561674 35.3466761313543, 136.618106689376 35.3466975674162, 136.618190755911 35.345824573532, 136.618194223069 35.3457883212883, 136.618282334845 35.3449397827813, 136.618348879043 35.3440588300743, 136.619198981076 35.3438150243895, 136.620469035982 35.3434966385451, 136.620524934792 35.3439194910591, 136.620762366308 35.3456182255728)) ^^http://www.opengis.net/ont/geosparql#wktLiteral