メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.402801189573 34.6651289821408, 135.402818186681 34.6651976404582, 135.402823032499 34.6652172438035, 135.402949936893 34.6669995817457, 135.39900635205 34.6671208290286, 135.398696294067 34.6658604464035, 135.398675432083 34.6657756282353, 135.3982751572 34.6641482059608, 135.398265840578 34.6641104098868, 135.397546161037 34.6611843227246, 135.40166891037 34.6605550734538, 135.401868595382 34.6613617732736, 135.401901269536 34.661493770272, 135.402164032064 34.6625551622333, 135.402801189573 34.6651289821408)) ^^http://www.opengis.net/ont/geosparql#wktLiteral