Pingzhong Tang, Tuomas Sandholm. Approximating Optimal Combinatorial Auctions for Complements Using Restricted Welfare Maximization. In Toby Walsh, editor, IJCAI 2011, Proceedings of the 22nd International Joint Conference on Artificial Intelligence, Barcelona, Catalonia, Spain, July 16-22, 2011. pages 379-385, IJCAI/AAAI, 2011. [doi]
Abstract is missing.