Project C05: Creating explanations in collaborative human–machine knowledge exploration

Many factors must be taken into account when making medical decisions. In addition to medical expertise, previous test results and the patient's medical history also play an important role. Doctors use this information as a basis for making a diagnosis. In project C05, computer scientists at Bielefeld University are developing an intelligent, interactive system called ASCODI that supports medical experts in this complex task. The system helps to systematically compare different diagnostic hypotheses with the available medical evidence.

ASCODI not only answers questions, but also asks specific follow-up questions and makes recommendations. This collaboration between humans and the system enables experts to make informed diagnostic decisions and explain transparently why a particular diagnosis is the most plausible compared to other possibilities.

In the second funding phase of TRR 318, the system will be comprehensively tested and further developed. The focus will be on jointly building arguments for or against a diagnostic hypothesis and further refining its validity in an iterative, interactive process.

 

Research areas: Computer science

Project Leaders

Prof. Dr. Philipp Cimiano

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Prof. Dr.-Ing. Stefan Kopp

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Staff

Dominik Battefeld, M.Sc.

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Dr. Olivia Sanchez Graillet

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Support Staff

Lukas Kachel, Bielefeld University

Rakhi A S Nair, Bielefeld University

Marcel Nieveler, Bielefeld University

Daniel Prib, Bielefeld University

Former Members

Felix Liedeker, Research associate 

Pub­lic­a­tions

Implementing a computational cognitive process model of medical diagnostic reasoning

D. Battefeld, S. Kopp, in: Proceedings of KogWis 2025: Conference of the German Cognitive Science Society, 2025.


A User Study Evaluating Argumentative Explanations in Diagnostic Decision Support

F. Liedeker, O. Sanchez-Graillet, M. Seidler, C. Brandt, J. Wellmer, P. Cimiano, in: n.d.



ASCODI: An XAI-based interactive reasoning support system for justifiable medical diagnosing

D. Battefeld, F. Liedeker, P. Cimiano, S. Kopp, in: Proceedings of the 1st Workshop on Multimodal, Affective and Interactive EXplainable AI (MAI-XAI), 2024.


Revealing the Dynamics of Medical Diagnostic Reasoning as Step-by-Step Cognitive Process Trajectories

D. Battefeld, S. Mues, T. Wehner, P. House, C. Kellinghaus, J. Wellmer, S. Kopp, in: Proceedings of the 46th Annual Conference of the Cognitive Science Society, 2024.




Formalizing cognitive biases in medical diagnostic reasoning

D. Battefeld, S. Kopp, in: Proceedings of the 8th Workshop on Formal and Cognitive Reasoning, 2022.


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