メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.697182578874 35.3660657476256, 136.697236991204 35.367128625478, 136.695322801374 35.3672171890342, 136.694709926719 35.3672492201839, 136.694640885653 35.3661797317957, 136.693974049295 35.3662008424981, 136.693896613598 35.3649500530424, 136.693844072393 35.364432948695, 136.694761418888 35.3643883170206, 136.695135471425 35.3643071113726, 136.695064101625 35.3638409192178, 136.696101479206 35.3638141435729, 136.696854649077 35.364308918917, 136.69661102088 35.3645457099504, 136.697118780907 35.3649012134522, 136.697182578874 35.3660657476256)) ^^http://www.opengis.net/ont/geosparql#wktLiteral