メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.781133293603 35.3105372959197, 136.781863600843 35.3105516762742, 136.781870518581 35.3104049356292, 136.782394189652 35.3104050592616, 136.782397662713 35.3108906400834, 136.782388794655 35.3114159007122, 136.782370705881 35.3131235729653, 136.781724272105 35.3131181967883, 136.781025170294 35.3131042676945, 136.779856886978 35.3131005181414, 136.779883233538 35.3114025877634, 136.779874642339 35.3105123416351, 136.780514405418 35.3105250301189, 136.780859778301 35.3105318419847, 136.781133293603 35.3105372959197)) ^^http://www.opengis.net/ont/geosparql#wktLiteral