メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.323168843134 37.3950085900908, 140.323644139452 37.3954191554687, 140.322694688727 37.3961219903731, 140.321688209629 37.3968777126975, 140.321570610547 37.3967654205278, 140.321221268684 37.3964773849874, 140.320340041765 37.3957253624918, 140.320081946191 37.3955191724819, 140.321021488372 37.394753740167, 140.321322537524 37.3949843887931, 140.321945285264 37.3945215601644, 140.322244137249 37.3947540479057, 140.322186733575 37.3948003252337, 140.322340539617 37.3949112008626, 140.32268930422 37.3946300001216, 140.323168843134 37.3950085900908)) ^^http://www.opengis.net/ont/geosparql#wktLiteral