メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.622636130996 36.5934262425532, 136.622594694096 36.5950302421595, 136.622576499037 36.5957341397312, 136.622515380684 36.5957337189882, 136.621489762884 36.5957265804666, 136.618470080176 36.5957055057815, 136.618472012529 36.5955562546957, 136.618497350983 36.5952839025801, 136.618615949631 36.5940076481577, 136.618629516274 36.5938619018087, 136.618651727282 36.5935372245936, 136.618673533766 36.593257532801, 136.622547369014 36.5934206980007, 136.622636130996 36.5934262425532)) ^^http://www.opengis.net/ont/geosparql#wktLiteral