Round robin tournaments are omnipresent in sport competitions and beyond. We investigate three integer programming formulations for scheduling a round tournament, one of which we call the matching formulation. analytically compare their linear relaxations, find that relaxation formulation is stronger than other while still being solvable polynomial time. In addition, provide an exponentially si...

<span>Privacy preserving data mining has become the focus of attention government statistical agencies and database security research community who are concerned with preventing privacy disclosure during mining. Repositories large datasets include sensitive rules that need to be concealed from unauthorized access. Hence, association rule hiding emerged as one powerful techniques for knowl...