activity
20242026
collaborators

9 papers

cs.CL2026

Context Shapes LLMs Retrieval-Augmented Fact-Checking Effectiveness

Pietro Bernardelle, Stefano Civelli, Kevin Roitero +1

Large language models (LLMs) show strong reasoning abilities across diverse tasks, yet their performance on extended contexts remains inconsistent. While prior research has emphasi…

cs.CL2025

Ideology-Based LLMs for Content Moderation

Stefano Civelli, Pietro Bernardelle, Nardiena A. Pratama +1

Large language models (LLMs) are increasingly used in content moderation systems, where ensuring fairness and neutrality is essential. In this study, we examine how persona adoptio…

cs.CL2025

The Impact of Persona-based Political Perspectives on Hateful Content Detection

Stefano Civelli, Pietro Bernardelle, Gianluca Demartini

While pretraining language models with politically diverse content has been shown to improve downstream task fairness, such approaches require significant computational resources o…

cs.HC2024

Enhancing Media Literacy: The Effectiveness of (Human) Annotations and Bias Visualizations on Bias Detection

Timo Spinde, Fei Wu, Wolfgang Gaissmaier +2

Marking biased texts is a practical approach to increase media bias awareness among news consumers. However, little is known about the generalizability of such awareness to new top…

cs.CL2024

MiningGPT -- A Domain-Specific Large Language Model for the Mining Industry

Kurukulasooriya Fernando ana Gianluca Demartini

Recent advancements of generative LLMs (Large Language Models) have exhibited human-like language capabilities but have shown a lack of domain-specific understanding. Therefore, th…

cs.CL2024

Mapping and Influencing the Political Ideology of Large Language Models using Synthetic Personas

Pietro Bernardelle, Leon Fröhling, Stefano Civelli +3

The analysis of political biases in large language models (LLMs) has primarily examined these systems as single entities with fixed viewpoints. While various methods exist for meas…