Gagan Goel, Chinmay Karande, Pushkar Tripathi, Lei Wang. Approximability of Combinatorial Problems with Multi-agent Submodular Cost Functions. In 50th Annual IEEE Symposium on Foundations of Computer Science, FOCS 2009, October 25-27, 2009, Atlanta, Georgia, USA. pages 755-764, IEEE Computer Society, 2009. [doi]
Abstract is missing.