Valentin Robu, D. J. A. Somefun, Johannes A. La Poutré. Modeling complex multi-issue negotiations using utility graphs. In Frank Dignum, Virginia Dignum, Sven Koenig, Sarit Kraus, Munindar P. Singh, Michael Wooldridge, editors, 4rd International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2005), July 25-29, 2005, Utrecht, The Netherlands. pages 280-287, ACM, 2005. [doi]