Institution profile

Bern University of Applied Sciences

Academic institutioneurope · ch
Official website
Research library6linked papers
Opportunities0open roles
Selected work

Representative Papers

Who Owns the Online Media?

Aug 14, 2026

This study addresses the challenges of media ownership opacity and accountability by constructing ownership networks for thousands of European and American outlets to measure transnational market concentration. Employing a fixed-pair design, we examine the causal effect of ownership changes on content similarity. Results indicate that over half of media entities are controlled by single owners, with common ownership significantly driving reporting convergence, particularly in the United States. The primary contribution lies in establishing cross-nationally comparable quantitative metrics demonstrating that content homogenization is predominantly driven by ownership structures rather than audience demand. These findings provide robust causal evidence regarding the detrimental impact of media consolidation on information diversity, clarifying the structural determinants of news uniformity across Western media markets.

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Reinforced Graph of Thoughts: RL-Driven Adaptive Prompting for LLMs

May 21, 2026

This work addresses the limitation of traditional Graph of Thoughts frameworks, which rely on manually predefined operation graphs and struggle to adapt to varying task complexity. To overcome this, the paper introduces a novel approach that integrates large language models with reinforcement learning to automatically construct task-adaptive reasoning operation graphs from a human-defined set of operations. By leveraging reinforcement learning, the method dynamically generates operation graphs tailored to the specific demands of each task, moving beyond the constraints of static, handcrafted designs. This enables adaptive graph construction under given constraints, significantly enhancing both the flexibility and performance of complex problem-solving. The proposed framework represents the first application of reinforcement learning within the Graph of Thoughts paradigm, offering a principled and scalable solution for automating reasoning structures.

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Recent publications

Latest Papers

Who Owns the Online Media?

Aug 14, 2026

This study addresses the challenges of media ownership opacity and accountability by constructing ownership networks for thousands of European and American outlets to measure transnational market concentration. Employing a fixed-pair design, we examine the causal effect of ownership changes on content similarity. Results indicate that over half of media entities are controlled by single owners, with common ownership significantly driving reporting convergence, particularly in the United States. The primary contribution lies in establishing cross-nationally comparable quantitative metrics demonstrating that content homogenization is predominantly driven by ownership structures rather than audience demand. These findings provide robust causal evidence regarding the detrimental impact of media consolidation on information diversity, clarifying the structural determinants of news uniformity across Western media markets.

0 citationsRead paper

Reinforced Graph of Thoughts: RL-Driven Adaptive Prompting for LLMs

May 21, 2026

This work addresses the limitation of traditional Graph of Thoughts frameworks, which rely on manually predefined operation graphs and struggle to adapt to varying task complexity. To overcome this, the paper introduces a novel approach that integrates large language models with reinforcement learning to automatically construct task-adaptive reasoning operation graphs from a human-defined set of operations. By leveraging reinforcement learning, the method dynamically generates operation graphs tailored to the specific demands of each task, moving beyond the constraints of static, handcrafted designs. This enables adaptive graph construction under given constraints, significantly enhancing both the flexibility and performance of complex problem-solving. The proposed framework represents the first application of reinforcement learning within the Graph of Thoughts paradigm, offering a principled and scalable solution for automating reasoning structures.

0 citationsRead paper