no code implementations • 10 Mar 2017 • Saeedreza Shehnepoor, Mostafa Salehi, Reza Farahbakhsh, Noel Crespi
Nowadays, a big part of people rely on available content in social media in their decisions (e. g. reviews and feedback on a topic or product).
no code implementations • 23 Sep 2017 • Yuanfang Chen, Mohsen Guizani, Yan Zhang, Lei Wang, Noel Crespi, Gyu Myoung Lee
Traffic congestion is one of the most serious problems in a city, which can be predicted in advance by analyzing traffic flow patterns.
no code implementations • 16 Sep 2019 • Praboda Rajapaksha, Reza Farahbakhsh, Noel Crespi, Bruno Defude
However, some comments or feedback on SNSs are inconsiderate and offensive, and sometimes this type of feedback has a very negative effect on a target user.
2 code implementations • 28 Oct 2019 • Marzieh Mozafari, Reza Farahbakhsh, Noel Crespi
To address these needs, in this study we introduce a novel transfer learning approach based on an existing pre-trained language model called BERT (Bidirectional Encoder Representations from Transformers).
no code implementations • 17 Feb 2020 • Koosha Zarei, Reza Farahbakhsh, Noel Crespi
Impersonators on Online Social Networks such as Instagram are playing an important role in the propagation of the content.
3 code implementations • 25 Apr 2020 • Koosha Zarei, Reza Farahbakhsh, Noel Crespi, Gareth Tyson
We believe that this contribution will help the community to better understand the dynamics behind this phenomenon in Instagram, as one of the major social media.
Social and Information Networks
no code implementations • 14 Aug 2020 • Marzieh Mozafari, Reza Farahbakhsh, Noel Crespi
Next, we introduce a bias alleviation mechanism in hate speech detection task to mitigate the effect of bias in training set during the fine-tuning of our pre-trained BERT-based model.
no code implementations • 14 Sep 2022 • Khouloud Mnassri, Praboda Rajapaksha, Reza Farahbakhsh, Noel Crespi
The experiments have shown good results especially the ensemble models, where stacking gave F1 score of 97% on Davidson dataset and aggregating ensembles 77% on the DHO dataset.
no code implementations • 17 Feb 2023 • Khouloud Mnassri, Praboda Rajapaksha, Reza Farahbakhsh, Noel Crespi
The rise of emergence of social media platforms has fundamentally altered how people communicate, and among the results of these developments is an increase in online use of abusive content.
no code implementations • 3 Oct 2023 • Sergey Berezin, Reza Farahbakhsh, Noel Crespi
The fundamental problem in toxicity detection task lies in the fact that the toxicity is ill-defined.
no code implementations • 19 Oct 2023 • Sergey Berezin, Reza Farahbakhsh, Noel Crespi
We introduce a simple yet efficient sentence-level attack on black-box toxicity detector models.