メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.408971653982 43.0603811051982, 141.409236895429 43.0606242150245, 141.410036574873 43.0613806447827, 141.409604045975 43.0616441628806, 141.40882918294 43.062125790204, 141.40761093504 43.0628427075306, 141.407403945067 43.0622750284677, 141.407083229198 43.061376172045, 141.406920611133 43.060966005812, 141.407624490789 43.0605614446951, 141.40808278294 43.0602721715742, 141.407668015347 43.0599033337242, 141.408148945792 43.0596204870021, 141.408413708407 43.0598698552455, 141.408971653982 43.0603811051982)) ^^http://www.opengis.net/ont/geosparql#wktLiteral