メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.552042441123 35.315377903818, 136.551128145626 35.3155357993309, 136.551013477458 35.3151003540235, 136.550957754859 35.3148343636274, 136.550902757716 35.3141432322119, 136.550842765704 35.313658062803, 136.551733272788 35.3136270920007, 136.551799402928 35.3140851792228, 136.552042441123 35.315377903818)) ^^http://www.opengis.net/ont/geosparql#wktLiteral