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Elenco Pubblicazioni - Publications (1643)

Ricco, E., Onofri, E., Cima, L., Cresci, S. & Di Pietro, R. (2026). A Geometric Analysis of Small-sized Language Model Hallucinations. In Proceedings of ICML

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Hallucinations—plausible but factually incorrect responses—pose a major challenge to the reliability of Large Language Models (LLMs), especially in multi-step or agentic settings. Existing work largely frames hallucinations as a consequence of missing knowledge; we show…
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Taday, E., Cima, L., Fagni, T., Avvenuti, M. & Cresci, S. (2026). Assessing the Reliability of Persona-Conditioned LLMs as Synthetic Survey Respondents. In Companion Publication of the ACM on Web Conference.

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Using persona-conditioned LLMs as synthetic survey respondents has become a common practice in computational social science and agent-based simulations. Yet, it remains unclear whether multi-attribute persona prompting improves LLM reliability or instead introduces distortions. Here…
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Tardelli, S., Alvisi, L., Cima, L., Cresci, S., & Tesconi, M. (2026). Emoji Reactions on Telegram: Unreliable Indicators of Emotional Resonance. In 15th Workshop on Computational Approaches to Subjectivity, Sentiment Social Media Analysis (WASSA)

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Emoji reactions are a frequently used feature of messaging platforms, yet their communicative role remains understudied. Prior work on emojis has focused predominantly on in-text usage, showing that emojis embedded in messages tend to amplify…
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Baradel, Lavezzo, Menin, De Almeida, Scilingo, Nardelli, Hüppi, Dondi, Barcos-Munoz, Filippa, "The origins of embodiment: behavioral and cardiovascular responses to music in very preterm newborns" Sci Rep (2026)

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Music perception in newborns is predominantly investigated through brain-based data, while the role of physiological and bodily responses remains underexplored. This study addresses this gap by assessing behavioral and physiological responses to music in clinically…
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Lavezzo, Bhadra, Ceravolo, Hüppi, Scilingo, Grandjean, Péron, Nardelli, Filippa "On human synchrony: A systematic review of the origins of physiological and neural synchrony in parent-infant dyads (0-12 months)" Neurosci. Biobehav. Rev., 2026

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Parent-infant synchrony is as a dynamic, bi-directional, multimodal process through which partners mutually adjust their physiological, neural, and behavioral states in time. Here, we systematically reviewed the available evidence on parent–infant physiological and neural synchrony…
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