Evripidis Bampis, Rodolphe Giroudeau, Jean-Claude König. An Approximation Algorithm for the Precedence Constrained Scheduling Problem with Hierarchical Communications. In Horst Reichel, Sophie Tison, editors, STACS 2000, 17th Annual Symposium on Theoretical Aspects of Computer Science, Lille, France, February 2000, Proceedings. Volume 1770 of Lecture Notes in Computer Science, pages 443-454, Springer, 2000. [doi]
Abstract is missing.