{
// edge case - single vertex graph
if ( vertices.size() == 1 )
return new MetadataGraph( entry );
final ArtifactScopeEnum requestedScope = ArtifactScopeEnum.checkScope( scope );
MetadataGraph res = new MetadataGraph( vertices.size() );
res.setVersionedVertices( false );
res.setScopedVertices( false );