Agent-Mediated Electronic Commerce. Designing Trading Strategies and Mechanisms for Electronic Markets AAMAS Workshop, AMEC 2009, Budapest, Hungary, May 12, 2009, and IJCAI Workshop, TADA 2009, Pasadena, CA, USA, July 13, 2009, Selected and Revised Papers - David, Esther (Springer-Verlag Berlin Heidelberg, 2010)