Klaus Jansen, Alexandra Lassota, Marten Maack. Approximation Algorithms for Scheduling with Class Constraints. In Christian Scheideler, Michael Spear, editors, SPAA '20: 32nd ACM Symposium on Parallelism in Algorithms and Architectures, Virtual Event, USA, July 15-17, 2020. pages 349-357, ACM, 2020. [doi]
Abstract is missing.