Christoph A. Johns

schoolAarhus Universitybar_chart#8958 Global Rank

Total Papers

HCI Rank

#8958

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Recent Publications

A decision-theoretic representation of assistive interfaces

Assistive interfaces, such as recommendation engines, adaptive systems, and intelligent assistants, span diverse methods and disciplines but lack a shared conceptual foundation. This paper models assistance as sequential decision-making under uncertainty between two agents: the user and the assistant. The formalis…

UIST '231st AuthorMixed Reality Workspaces +2

Towards Flexible and Robust User Interface Adaptations With Multiple Objectives

This paper proposes a new approach for online UI adaptation that aims to overcome the limitations of the most commonly used UI optimization method involving multiple objectives: weighted sum optimization. Weighted sums are highly sensitive to objective formulation, limiting the effectiveness of UI adaptations. We prop…

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