Guoming Lai Katia P. Sycara Cuihong Li A decentralized model for automated multi-attribute negotiations with incomplete information and general utility functions. 45-65 2008 4 Multiagent and Grid Systems 1 http://iospress.metapress.com/content/r86p795xv5x27111/ db/journals/mags/mags4.html#LaiSL08