@prefix boo: <book.ttl#>.
@prefix n: <http://www.w3.org/2006/vcard/ns#>.
@prefix Hom: <Group/Home.ttl#>.
@prefix Wor: <Group/Work.ttl#>.

   boo:this n:includesGroup Hom:this, Wor:this .
   Hom:this a n:Group; n:fn "Home" .
   Wor:this a n:Group; n:fn "Work" .