メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.721759130543 35.3611614557013, 136.721758693996 35.3612419435889, 136.721776218337 35.3617583298095, 136.721747425612 35.3621598999211, 136.72171106899 35.3628216446921, 136.721239323257 35.3627563076068, 136.720967871511 35.3627219222299, 136.720841144145 35.3627177195619, 136.720610766779 35.362733413128, 136.720207748297 35.3627074107935, 136.719343633047 35.3627123658372, 136.71930935466 35.3620406393571, 136.719232163698 35.360961862875, 136.719157796442 35.3599159110123, 136.722254866219 35.3597892450845, 136.721906843261 35.360806662265, 136.721759130543 35.3611614557013)) ^^http://www.opengis.net/ont/geosparql#wktLiteral