On the equivalence and rewriting of aggregate queries Stéphane GrumbachMaurizio RafanelliLeonardo Tininini OriginalPaper Pages: 529 - 584
Exhaustive generation of combinatorial objects by ECO Silvia BacchelliElena BarcucciElisa Pergola OriginalPaper Pages: 585 - 602
On the complexity of drawing trees nicely: corrigendum Thorsten AkkermanChristoph BuchheimDaniel Teske OriginalPaper Pages: 603 - 607