activity
20122024
most citedSentiWords: Deriving a High Precision and High Coverage Lexicon for Sentiment Analysis

123 citations · 475 across the 24 of their papers we have counts for

collaborators

32 papers

cs.CL2024

Face the Facts! Evaluating RAG-based Pipelines for Professional Fact-Checking

Daniel Russo, Stefano Menini, Jacopo Staiano +1

Natural Language Processing and Generation systems have recently shown the potential to complement and streamline the costly and time-consuming job of professional fact-checkers. I…

cs.CL2024

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

Helena Bonaldi, Yi-Ling Chung, Gavin Abercrombie +1

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 fre…

cs.CL2023

Countering Misinformation via Emotional Response Generation

Daniel Russo, Shane Peter Kaszefski-Yaschuk, Jacopo Staiano +1

The proliferation of misinformation on social media platforms (SMPs) poses a significant danger to public health, social cohesion and ultimately democracy. Previous research has sh…

cs.CL2023★ 2 cited

Weigh Your Own Words: Improving Hate Speech Counter Narrative Generation via Attention Regularization

Helena Bonaldi, Giuseppe Attanasio, Debora Nozza +1

Recent computational approaches for combating online hate speech involve the automatic generation of counter narratives by adapting Pretrained Transformer-based Language Models (PL…

cs.CL2023

Benchmarking the Generation of Fact Checking Explanations

Daniel Russo, Serra Sinem Tekiroglu, Marco Guerini

Fighting misinformation is a challenging, yet crucial, task. Despite the growing number of experts being involved in manual fact-checking, this activity is time-consuming and canno…

cs.CL2022★ 3 cited

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

Helena Bonaldi, Sara Dellantonio, Serra Sinem Tekiroglu +1

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, c…

cs.CL2022★ 3 cited

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

Serra Sinem Tekiroglu, Helena Bonaldi, Margherita Fanton +1

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 Eng…

cs.CL2021

Multilingual Counter Narrative Type Classification

Yi-Ling Chung, Marco Guerini, Rodrigo Agerri

The growing interest in employing counter narratives for hatred intervention brings with it a focus on dataset creation and automation strategies. In this scenario, learning to rec…

cs.CL2021★ 51 cited

Agreeing to Disagree: Annotating Offensive Language Datasets with Annotators' Disagreement

Elisa Leonardelli, Stefano Menini, Alessio Palmero Aprosio +2

Since state-of-the-art approaches to offensive language detection rely on supervised learning, it is crucial to quickly adapt them to the continuously evolving scenario of social m…

cs.CL2021★ 39 cited

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

Margherita Fanton, Helena Bonaldi, Serra Sinem Tekiroglu +1

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 comm…

cs.CL2021★ 8 cited

Empowering NGOs in Countering Online Hate Messages

Yi-Ling Chung, Serra Sinem Tekiroglu, Sara Tonelli +1

Studies on online hate speech have mostly focused on the automated detection of harmful messages. Little attention has been devoted so far to the development of effective strategie…

cs.CL2021

Towards Knowledge-Grounded Counter Narrative Generation for Hate Speech

Yi-Ling Chung, Serra Sinem Tekiroglu, Marco Guerini

Tackling online hatred using informed textual responses - called counter narratives - has been brought under the spotlight recently. Accordingly, a research line has emerged to aut…

cs.CL2020

Toward Stance-based Personas for Opinionated Dialogues

Thomas Scialom, Serra Sinem Tekiroglu, Jacopo Staiano +1

In the context of chit-chat dialogues it has been shown that endowing systems with a persona profile is important to produce more coherent and meaningful conversations. Still, the…

cs.CL2020

GePpeTto Carves Italian into a Language Model

Lorenzo De Mattei, Michele Cafagna, Felice Dell'Orletta +2

In the last few years, pre-trained neural architectures have provided impressive improvements across several NLP tasks. Still, generative language models are available mainly for E…

cs.CL2020★ 2 cited

Generating Counter Narratives against Online Hate Speech: Data and Strategies

Serra Sinem Tekiroglu, Yi-Ling Chung, Marco Guerini

Recently research has started focusing on avoiding undesired effects that come with content moderation, such as censorship and overblocking, when dealing with hatred online. The co…

cs.CL2019★ 1 cited

Generating Challenge Datasets for Task-Oriented Conversational Agents through Self-Play

Sourabh Majumdar, Serra Sinem Tekiroglu, Marco Guerini

End-to-end neural approaches are becoming increasingly common in conversational scenarios due to their promising performances when provided with sufficient amount of data. In this…

cs.CL2019★ 85 cited

CONAN -- COunter NArratives through Nichesourcing: a Multilingual Dataset of Responses to Fight Online Hate Speech

Y. L. Chung, E. Kuzmenko, S. S. Tekiroglu +1

Although there is an unprecedented effort to provide adequate responses in terms of laws and policies to hate content on social media platforms, dealing with hatred online is still…

cs.CL2018

DepecheMood++: a Bilingual Emotion Lexicon Built Through Simple Yet Powerful Techniques

Oscar Araque, Lorenzo Gatti, Jacopo Staiano +1

Several lexica for sentiment analysis have been developed and made available in the NLP community. While most of these come with word polarity annotations (e.g. positive/negative),…

cs.CL2017

Fortia-FBK at SemEval-2017 Task 5: Bullish or Bearish? Inferring Sentiment towards Brands from Financial News Headlines

Youness Mansar, Lorenzo Gatti, Sira Ferradans +2

In this paper, we describe a methodology to infer Bullish or Bearish sentiment towards companies/brands. More specifically, our approach leverages affective lexica and word embeddi…

cs.CL2016★ 5 cited

Why Do Urban Legends Go Viral?

Marco Guerini, Carlo Strapparava

Urban legends are a genre of modern folklore, consisting of stories about rare and exceptional events, just plausible enough to be believed, which tend to propagate inexorably acro…

cs.SI2015

Community dynamics in connected time-dependent multilayer networks

Marco Cristoforetti, Marco Guerini, Giuseppe Jurman +1

Different strategies have been considered to extract information from social media about how similarly people react to the same news or event. In this context, a powerful method is…

cs.CL2015★ 123 cited

SentiWords: Deriving a High Precision and High Coverage Lexicon for Sentiment Analysis

Lorenzo Gatti, Marco Guerini, Marco Turchi

Deriving prior polarity lexica for sentiment analysis - where positive or negative scores are associated with words out of context - is a challenging task. Usually, a trade-off bet…

cs.CL2015

Echoes of Persuasion: The Effect of Euphony in Persuasive Communication

Marco Guerini, Gözde Özbal, Carlo Strapparava

While the effect of various lexical, syntactic, semantic and stylistic features have been addressed in persuasive language from a computational point of view, the persuasive effect…

cs.SI2015★ 16 cited

Deep Feelings: A Massive Cross-Lingual Study on the Relation between Emotions and Virality

Marco Guerini, Jacopo Staiano

This article provides a comprehensive investigation on the relations between virality of news articles and the emotions they are found to evoke. Virality, in our view, is a phenome…