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 • 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 • CAI (COLING) 2022 • Silvia Terragni, Bruna Guedes, Andre Manso, Modestas Filipavicius, Nghia Khau, Roland Mathis
Ideally TOD systems should be able to detect dialog breakdowns to prevent users from quitting a conversation and to encourage them to interact with the system again.
no code implementations • 25 Oct 2024 • Silvia Terragni, Hoang Cuong, Joachim Daiber, Pallavi Gudipati, Pablo N. Mendes
Large Language Models (LLMs) have demonstrated potential as effective search relevance evaluators.
no code implementations • 20 Feb 2024 • Ivan Sekulić, Silvia Terragni, Victor Guimarães, Nghia Khau, Bruna Guedes, Modestas Filipavicius, André Ferreira Manso, Roland Mathis
Notably, we have observed that fine-tuning enhances the simulator's coherence with user goals, effectively mitigating hallucinations -- a major source of inconsistencies in simulator responses.
2 code implementations • 1 Jun 2023 • Silvia Terragni, Modestas Filipavicius, Nghia Khau, Bruna Guedes, André Manso, Roland Mathis
This paper presents a novel application of large language models in user simulation for task-oriented dialog systems, specifically focusing on an in-context learning approach.
1 code implementation • Scientific Reports 2022 • Patrick John Chia, Giuseppe Attanasio, Federico Bianchi, Silvia Terragni, Ana Rita Magalhães, Diogo Goncalves, Ciro Greco, Jacopo Tagliabue
The steady rise of online shopping goes hand in hand with the development of increasingly complex ML and NLP models.
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 • 19 Aug 2021 • Federico Bianchi, Giuseppe Attanasio, Raphael Pisoni, Silvia Terragni, Gabriele Sarti, Sri Lakshmi
CLIP (Contrastive Language-Image Pre-training) is a very recent multi-modal model that jointly learns representations of images and texts.
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.
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.
3 code implementations • ACL 2021 • Federico Bianchi, Silvia Terragni, Dirk Hovy
Topic models extract groups of words from documents, whose interpretation as a topic hopefully allows for a better understanding of the data.
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.