Ronald Poppe Rutger Rienks Betsy van Dijk Evaluating the Future of HCI: Challenges for the Evaluation of Emerging Applications. 234-250 2007 conf/aihc/2007 Artifical Intelligence for Human Computing http://dx.doi.org/10.1007/978-3-540-72348-6_12 db/conf/aihc/aihc2007.html#PoppeRD07