Odile Bellenguez, Emmanuel Néron. Lower Bounds for the Multi-skill Project Scheduling Problem with Hierarchical Levels of Skills. In Edmund K. Burke, Michael A. Trick, editors, Practice and Theory of Automated Timetabling V, 5th International Conference, PATAT 2004, Pittsburgh, PA, USA, August 18-20, 2004, Revised Selected Papers. Volume 3616 of Lecture Notes in Computer Science, pages 229-243, Springer, 2004. [doi]
Abstract is missing.