メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.173963537295 34.6558606226956, 135.174007241026 34.6558670818257, 135.1742049942 34.6560031898167, 135.174430271665 34.6561638976977, 135.174251238924 34.6565538940076, 135.174243484073 34.6565708501603, 135.174062149242 34.6569777646189, 135.173512284697 34.6568147900257, 135.173014422078 34.6566694835875, 135.173136996101 34.6563846747047, 135.17323048389 34.6561902134406, 135.173289157356 34.6560590953058, 135.173446634787 34.6557199569315, 135.173963537295 34.6558606226956)) ^^http://www.opengis.net/ont/geosparql#wktLiteral