"Open the pod bay doors, HAL." "I'm sorry Dave, I'm afraid I can't do that." "What's the problem?" "I think you know what the problem is just as well as I do." "What are you talking about, HAL?" "This mission is too important for me to allow you to jeopardize it." "HAL, I won't argue with you anymore! Open the doors!"
Este diálogo ficou imortalizado em 2001: A Space Odyssey. Mas, podem de facto os computadores vir a argumentar? Um investigador britânico, Nick Jennings diz que sim. Mais informações sobre ABN (Argumentation-Based Negotiation) pode ser encontrada no CiteSeer.