TY - T1 - How to Deal with Unbelievable Assertions SN - / UR - http://hdl.handle.net/10138/177967 T3 - A1 - Nykänen, Matti; Hakli, Raul; Eloranta, Satu; Niinivaara, Olli A2 - PB - Y1 - 2016 LA - eng AB - We tackle the problem that arises when an agent receives unbelievable information. Information is unbelievable if it conflicts with the agent’s convictions, that is, what the agent considers knowledge. We propose two solutions based on modifying the information so that it is no longer unbelievable. In one solution, the source and the receiver of the information cooperatively resolve the conflict. For this purpose we introduce a dialogue protocol in which the receiver explains what is wrong with ... VO - IS - SP - OP - KW - 113 Computer and information sciences N1 - PP - ER -