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Helena Bonaldi

5 accepted papers

2024

Is Safer Better? The Impact of Guardrails on the Argumentative Strength of LLMs in Hate Speech Countering

EMNLP 2024main

The potential effectiveness of counterspeech as a hate speech mitigation strategy is attracting increasing interest in the NLG research community, particularly towards the task of automatically producing it. However, automatically generated responses often lack the argumentative richness which chara…

2024

NLP for Counterspeech against Hate: A Survey and How-To Guide

NAACL 2024findings

In recent years, counterspeech has emerged as one of the most promising strategies to fight online hate. These non-escalatory responses tackle online abuse while preserving the freedom of speech of the users, and can have a tangible impact in reducing online and offline violence. Recently, there has…

Cited by 18SourcePDFScholar
2022

Human-Machine Collaboration Approaches to Build a Dialogue Dataset for Hate Speech Countering

EMNLP 2022main

Fighting online hate speech is a challenge that is usually addressed using Natural Language Processing via automatic detection and removal of hate content. Besides this approach, counter narratives have emerged as an effective tool employed by NGOs to respond to online hate on social media platforms…

2022

Using Pre-Trained Language Models for Producing Counter Narratives Against Hate Speech: a Comparative Study

ACL 2022findings

In this work, we present an extensive study on the use of pre-trained language models for the task of automatic Counter Narrative (CN) generation to fight online hate speech in English. We first present a comparative study to determine whether there is a particular Language Model (or class of LMs) a…

Cited by 53SourcePDFScholar
2021

Human-in-the-Loop for Data Collection: a Multi-Target Counter Narrative Dataset to Fight Online Hate Speech

ACL 2021long

Undermining the impact of hateful content with informed and non-aggressive responses, called counter narratives, has emerged as a possible solution for having healthier online communities. Thus, some NLP studies have started addressing the task of counter narrative generation. Although such studies…