メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.615011269581 36.6015697334908, 136.614871648746 36.6026207862263, 136.614749086412 36.603662893146, 136.614427382821 36.6036343701812, 136.611460635517 36.603379249691, 136.611642831558 36.6019110989263, 136.612296613181 36.6019648923966, 136.61246531106 36.6015340996332, 136.612564232764 36.6013485774689, 136.615011269581 36.6015697334908)) ^^http://www.opengis.net/ont/geosparql#wktLiteral