no code implementations • EMNLP (insights) 2020 • Silvia Terragni, Debora Nozza, Elisabetta Fersini, Messina Enza
Topic models have been widely used to discover hidden topics in a collection of documents.
no code implementations • RANLP 2021 • Silvia Terragni, Elisabetta Fersini
Neural Topic Models are recent neural models that aim at extracting the main themes from a collection of documents.
no code implementations • SemEval (NAACL) 2022 • Elisabetta Fersini, Francesca Gasparini, Giulia Rizzi, Aurora Saibene, Berta Chulvi, Paolo Rosso, Alyssa Lees, Jeffrey Sorensen
The paper describes the SemEval-2022 Task 5: Multimedia Automatic Misogyny Identification (MAMI), which explores the detection of misogynous memes on the web by taking advantage of available texts and images.
no code implementations • 27 Nov 2024 • Daniel Scalena, Elisabetta Fersini, Malvina Nissim
Adapting models to a language that was only partially present in the pre-training data requires fine-tuning, which is expensive in terms of both data and computational resources.
1 code implementation • 1 Sep 2023 • Daniel Scalena, Gabriele Sarti, Malvina Nissim, Elisabetta Fersini
Due to language models' propensity to generate toxic or hateful responses, several techniques were developed to align model generations with users' preferences.
1 code implementation • 7 Jul 2023 • Angel Felipe Magnossão de Paula, Giulia Rizzi, Elisabetta Fersini, Damiano Spina
In particular, our system is articulated in three different pipelines.
1 code implementation • 15 Feb 2022 • Silvia Terragni, Ismail Harrando, Pasquale Lisena, Raphael Troncy, Elisabetta Fersini
Topic models are statistical methods that extract underlying topics from document collections.
1 code implementation • 15 Jun 2021 • Francesca Gasparini, Giulia Rizzi, Aurora Saibene, Elisabetta Fersini
Two further binary labels have been collected from both the experts and the crowdsourcing platform, for memes evaluated as misogynistic, concerning aggressiveness and irony.
1 code implementation • EACL 2021 • Silvia Terragni, Elisabetta Fersini, Bruno Giovanni Galuzzi, Pietro Tropeano, Antonio Candelieri
In this paper, we present OCTIS, a framework for training, analyzing, and comparing Topic Models, whose optimal hyper-parameters are estimated using a Bayesian Optimization approach.
no code implementations • LREC 2020 • Elisabetta Fersini, Debora Nozza, Giulia Boifava
Hate speech may take different forms in online social environments.
2 code implementations • EACL 2021 • Federico Bianchi, Silvia Terragni, Dirk Hovy, Debora Nozza, Elisabetta Fersini
They all cover the same content, but the linguistic differences make it impossible to use traditional, bag-of-word-based topic models.
1 code implementation • 1 Feb 2020 • Silvia Terragni, Elisabetta Fersini, Enza Messina
Relational topic models (RTM) have been widely used to discover hidden topics in a collection of networked documents.
no code implementations • SEMEVAL 2019 • Valerio Basile, Cristina Bosco, Elisabetta Fersini, Debora Nozza, Viviana Patti, Francisco Manuel Rangel Pardo, Paolo Rosso, Manuela Sanguinetti
The paper describes the organization of the SemEval 2019 Task 5 about the detection of hate speech against immigrants and women in Spanish and English messages extracted from Twitter.
no code implementations • EACL 2017 • Debora Nozza, Elisabetta Fersini, Enza Messina
Sentiment Analysis is a broad task that involves the analysis of various aspect of the natural language text.
no code implementations • EACL 2017 • Debora Nozza, Fausto Ristagno, Matteo Palmonari, Elisabetta Fersini, Manch, Pikakshi a, Enza Messina
In this paper we present TWINE, a real-time system for the big data analysis and exploration of information extracted from Twitter streams.
no code implementations • 7 Oct 2013 • Flavio Massimiliano Cecchini, Elisabetta Fersini
We begin by introducing the Computer Science branch of Natural Language Processing, then narrowing the attention on its subbranch of Information Extraction and particularly on Named Entity Recognition, discussing briefly its main methodological approaches.