[B 106] Jameson, A., Kipper, B., Ndiaye, A., Schaefer, R., 
        Simons, J., Weis, T., Zimmermann, D.: 
        Cooperating to Be Noncooperative: The Dialog System PRACMA

The modeling of noncooperative dialogs, as opposed to dialogs in which
the goals of the participants coincide, presents novel challenges to a
pragmatically oriented dialog system. PRACMA models noncooperative sales
dialogs. In the role of the potential buyer of a used car, the system
tries to arrive at a realistic evaluation of the unknown car in spite of
biased information presentation on the part of the seller. In the role
of the seller, PRACMA tries to form a usable model of the buyer even
while using this model to manipulate the buyer's impressions. To realize
this behavior, heterogeneous modules and representation formalisms
cooperate within a multi-agent architecture.