メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.290075441091 35.9160298041204, 136.281388228411 35.9170764745393, 136.279981594657 35.9159910636695, 136.276636531987 35.9133754077332, 136.277024404709 35.9130070273619, 136.28032306736 35.9102090350913, 136.282641335751 35.9080659848479, 136.283866766014 35.9069330746616, 136.286140294721 35.9102952736637, 136.2868628047 35.9113636913931, 136.290075441091 35.9160298041204)) ^^http://www.opengis.net/ont/geosparql#wktLiteral