Biclique completion problems for multicast network design

Autor: Philippe Chrétienne, Nathalie Faure, Francis Sourd, Eric Gourdin
Přispěvatelé: Recherche Opérationnelle (RO), Laboratoire d'Informatique de Paris 6 (LIP6), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)
Rok vydání: 2007
Předmět:
Zdroj: Discrete Optimization
Discrete Optimization, 2007, 4 (3-4), pp.360-377. ⟨10.1016/j.disopt.2007.09.005⟩
Discrete Optimization, Elsevier, 2007, 4 (3-4), pp.360-377. ⟨10.1016/j.disopt.2007.09.005⟩
ISSN: 1572-5286
1873-636X
DOI: 10.1016/j.disopt.2007.09.005
Popis: International audience; This paper considers the problem of aggregating several multicast sessions. A multicast session is defined as a subset of clients requiring the same information. Besides, each client can require several multicast sessions. A telecommunication network cannot manage many multicast sessions at the same time. It is hence necessary to group the sessions into a limited number of clusters. The problem then consists in aggregating the sessions into clusters to limit the number of unnecessary information sent to clients. The strong relationship of the problems with biclique problems in bipartite graph is established. We then model the problems using integer quadratic and linear programming formulations. We investigate some properties to strengthen the models. Several algorithms are provided and compared with a series of numerical experiments.
Databáze: OpenAIRE