メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.838829402388 35.2160314652636, 136.83896662764 35.2164669218413, 136.839083817927 35.2167628831001, 136.83839442616 35.2170007424335, 136.837915548734 35.2170480358318, 136.837394193067 35.2171004933394, 136.837362869561 35.2168881480345, 136.837288046407 35.216296515531, 136.83812361049 35.2161879372147, 136.838147249477 35.2161832129283, 136.838157477176 35.2157687895552, 136.838255607921 35.2153624922856, 136.83833024149 35.2153626947637, 136.838521934727 35.2153705388038, 136.838738053079 35.2153859847491, 136.838749381405 35.2156209530452, 136.838829402388 35.2160314652636)) ^^http://www.opengis.net/ont/geosparql#wktLiteral