メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.230701922129 35.4990333610245, 134.231119259253 35.4986798852258, 134.231724481891 35.499182844083, 134.230699451 35.500004491144, 134.230406839807 35.4997438987518, 134.230108556726 35.4995017512518, 134.230473764614 35.4992266131225, 134.230501814411 35.4992028692958, 134.230701922129 35.4990333610245)) ^^http://www.opengis.net/ont/geosparql#wktLiteral