メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.05980855251 42.91828315741, 143.059742981084 42.9187417658595, 143.059743286046 42.9191157211947, 143.058891294908 42.9190474713541, 143.058069578219 42.918981600638, 143.058112148252 42.9186510899536, 143.058159511407 42.9182847459122, 143.058174362873 42.9181692258824, 143.058208007694 42.9179320389789, 143.058222620079 42.9178345959253, 143.058230543172 42.9177820021031, 143.059875043092 42.917887489983, 143.05980855251 42.91828315741)) ^^http://www.opengis.net/ont/geosparql#wktLiteral