Abstract
We present the architecture of DiaWoZ, a system supporting the design and execu-
tion of Wizard-of-Oz experiments to collect data from tutorial dialogues. The architecture is
highly modular and allows for the progressive refinement of the experiments by both design-
ing increasingly sophisticated dialogues and successively replacing simulated components of
the tutoring system by actual implementations. The dialogues to be examined are specified
in a language that combines finite-state approaches with information states, thereby allow-
ing for great flexibility. Therefore, the architecture should also be appropriate for examining
dialogues in general.
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