メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.603737596909 35.3462980802089, 136.60240231992 35.3462833732631, 136.601180151523 35.3463245355966, 136.600748732592 35.3463555355182, 136.600495782456 35.3463808243403, 136.599664800993 35.3466327576145, 136.59930448946 35.3467276086866, 136.599024090817 35.3467757935892, 136.598936882984 35.3468579176091, 136.59884327053 35.3469895901818, 136.598775291732 35.3470627203846, 136.598532524299 35.3470510817432, 136.598129562877 35.3469879097679, 136.597598052042 35.3468341984651, 136.596862626798 35.3466326919552, 136.596808712265 35.3466179305072, 136.597227464607 35.3448473527917, 136.597265145912 35.3448483054966, 136.599954809652 35.3449420668381, 136.601090799252 35.3449816405051, 136.602685103988 35.3450275785536, 136.603778566597 35.3450401670744, 136.603758069345 35.3458668354819, 136.603737596909 35.3462980802089)) ^^http://www.opengis.net/ont/geosparql#wktLiteral