Siqi Chen and Gerhard Weiss have won the Best Paper Award at the Tenth German Conference on Multiagent System Technologies (MATES, Trier, Germany, October 2012). The paper’s complete reference is: S. Chen and G. Weiss, “A novel strategy for efficient negotiation in complex environments”, in I.J. Timm & C. Guttmann (Eds.), Multiagent System Technologies. 10th German Conference, MATES (pp. 68-82). Lecture Notes in Computer Science, Vol. 7598. 2012.