Browsing by Subject "Deductive Databases"

Now showing items 1-5 of 5

    • The branching-time transformation technique for Chain Datalog programs 

      Γεργατσούλης, Μανώλης; Ροντογιάννης, Παναγιώτης; Gergatsoulis, Manolis; Rondogiannis, Panos (2001)
      The branching-time transformation technique has proven to be an efficient approach for implementing functional programming languages. In this paper we demonstrate that such a technique can also be defined for logic programming ...

    • Linearisability on datalog programs 

      Γεργατσούλης, Μανώλης; Αφράτη, Φώτο; Toni, F.; Gergatsoulis, Manolis; Afrati, Foto (2003)
      Linear Datalog programs are programs whose clauses have at most one intensional atom in their bodies. We explore syntactic classes of Datalog programs (syntactically non-linear) which turn out to express no more than the ...

    • A transformation technique for datalog programs based on non-deterministic constructs 

      Γεργατσούλης, Μανώλης; Ροντογιάννης, Παναγιώτης; Ποτίκας, Πέτρος; Gergatsoulis, Manolis; Rondogiannis, Panos; Potikas, Petros (2001)
      Recently, a novel transformation technique for Datalog programs, called the branching-time transformation, was introduced by the authors. In this paper we propose a significant extension of the branching-time transformation ...

    • Unfold/fold transformations for disjunctive logic programs 

      Γεργατσούλης, Μανώλης; Ροντογιάννης, Παναγιώτης; Gergatsoulis, Manolis; Rondogiannis, Panos (1997)
      Unfold/fold transformation rules for disjunctive logic programs are proposed in this paper. Our transformation rules preserve the meaning of the programs.

    • A value-propagating transformation technique for Datalog programs based on non-deterministic constructs 

      Γεργατσούλης, Μανώλης; Ροντογιάννης, Παναγιώτης; Ποτίκας, Πέτρος; Gergatsoulis, Manolis; Rondogiannis, Panos; Potikas, Petros (2006)
      The branching-time transformation is a recent technique for optimizing Chain Datalog programs. In this paper we propose a significant extension of the branching-time transformation which we believe opens up a promising new ...