Uriel Feige, László Lovász, Prasad Tetali. Approximating Min-sum Set Cover. In Klaus Jansen, Stefano Leonardi, Vijay V. Vazirani, editors, Approximation Algorithms for Combinatorial Optimization, 5th International Workshop, APPROX 2002, Rome, Italy, September 17-21, 2002, Proceedings. Volume 2462 of Lecture Notes in Computer Science, pages 94-107, Springer, 2002. [doi]
Abstract is missing.