メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.898546352984 35.23988943767, 136.898561120326 35.2403989168308, 136.898581047643 35.2411254545426, 136.898589910917 35.2412933647488, 136.898574630693 35.2416426336345, 136.898574250356 35.2421125011495, 136.895725702774 35.2421524939293, 136.895814380252 35.2416586689149, 136.895890281809 35.2411156593435, 136.895980820076 35.2404182428021, 136.89607560036 35.239863655064, 136.896102611527 35.2395260328811, 136.896124009927 35.2394546707357, 136.898431488313 35.2394212162476, 136.898553786474 35.2394214866734, 136.898541821578 35.2394832223592, 136.898546352984 35.23988943767)) ^^http://www.opengis.net/ont/geosparql#wktLiteral