メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.946146943653 35.105054324429, 136.946191508008 35.1051575821483, 136.944821762108 35.105502108963, 136.944226341932 35.1056428412099, 136.944147552641 35.1053698598373, 136.944442009152 35.1052978691611, 136.945227177825 35.1051028364829, 136.945388096204 35.1050628501367, 136.946076828713 35.1048917896124, 136.946146943653 35.105054324429)) ^^http://www.opengis.net/ont/geosparql#wktLiteral