# ruleMap_deepNesting — test OuterGraphs
# $Id: ruleMap_deepNesting.rq,v 1.1 2008/09/22 08:30:54 eric Exp $

PREFIX iface: <http://iface.example/>
PREFIX stem: <http://stem.example/>

CONSTRUCT {
  ?s iface:depth1  ?inner1  .
  ?s iface:depth2  ?inner2  .
  ?s iface:depth3l ?inner3l .
  ?s iface:depth3r ?inner3r }
WHERE {
  ?s                        stem:mand          ?mand1
  { ?s			    stem:depth1	       ?inner1
    OPTIONAL { ?s           stem:depth2	       ?inner2
      {?s    		    stem:depth3l       ?inner3l}
    UNION
      {?s    		    stem:depth3r       ?inner3r}
    }
  }
}