Andreas Wierz, Britta Peis, S. Thomas McCormick. Primal-Dual Algorithms for Precedence Constrained Covering Problems. In Evripidis Bampis, Ola Svensson, editors, Approximation and Online Algorithms - 12th International Workshop, WAOA 2014, Wrocław, Poland, September 11-12, 2014, Revised Selected Papers. Volume 8952 of Lecture Notes in Computer Science, pages 260-272, Springer, 2014. [doi]
Abstract is missing.