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Antonela Tommasel

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Book Open access Sep 2026

Cognitive Biases in Recommender Systems

Psychology and sociology research has revealed a plethora of cognitive biases that describe systematic deviations from rationality and objectivity in humans’ cognitive processes and judgment or collective prejudices of a society that favor one group’s values, norms, and traditions over others. Examples such as confirma...

Markus Schedl, Oleg Lesota, Antonela Tommasel · 0 citations
Preprint Sep 2026

Who Judges the Frame? Auditing Multimodal LLM Judges for News Framing Across Event-Level Perspectives

News coverage of major world events is shaped not only by what is reported, but also by how events are framed through text, images and their combination. At the same time, Large Language Models (LLMs), including multimodal LLMs, are increasingly used as scalable instruments for analysing framing, sentiment, ideological...

Antonela Tommasel, Markus Schedl · 0 citations
#natural language process... Preprint Sep 2026

Measuring Human-Like Bias in LLMs? A Critique of Human-Derived Bias Constructs in LLM Evaluation

Researchers increasingly use human-derived bias constructs to study Large Language Models (LLMs), including social-cognitive constructs such as implicit bias and stereotype activation, and cognitive biases such as anchoring, framing effects, and confirmation bias. Such approaches offer alternatives to overt bias probes...

Antonela Tommasel, Markus Schedl · 0 citations
Book Open access Sep 2026

What Price Fairness? Evaluating Energy – Fairness – Accuracy Trade-off in Recommender Systems

The results show that the green cost of fairness is not uniform, post-processing shifts cost to repeated serving, while in-processing and graph-level methods avoid re-ranking overhead but vary substantially across models, datasets, and hardware.

Abhirup Mitra, Oleg Lesota, Antonela Tommasel · 0 citations

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