メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.73952224158 35.336704049778, 136.738696838292 35.3368636857158, 136.736427354408 35.3372720886528, 136.736115219329 35.3361142301935, 136.73837678142 35.3356941728685, 136.738254321003 35.3353086455356, 136.738369455143 35.3354849081772, 136.738896238238 35.3360368014722, 136.73952224158 35.336704049778)) ^^http://www.opengis.net/ont/geosparql#wktLiteral