1 code implementation • 5 Jan 2023 • Jialin Yu, Alexandra I. Cristea, Anoushka Harit, Zhongtian Sun, Olanrewaju Tahir Aduragba, Lei Shi, Noura Al Moubayed
To leverage information from text pairs, we additionally introduce a novel supervised model we call dual directional learning (DDL), which is designed to integrate with our proposed VSAR model.
1 code implementation • 11 Dec 2022 • Olanrewaju Tahir Aduragba, Alexandra I. Cristea, Pete Phillips, Jonas Kurlberg, Jialin Yu
During the COVID-19 pandemic, the Church closed its physical doors for the first time in about 800 years, which is, arguably, a cataclysmic event.
1 code implementation • 9 Dec 2022 • Olanrewaju Tahir Aduragba, Jialin Yu, Alexandra I. Cristea
The health mention classification (HMC) task is the process of identifying and classifying mentions of health-related concepts in text.
no code implementations • 9 Dec 2022 • Olanrewaju Tahir Aduragba, Jialin Yu, Alexandra I. Cristea
Detecting personal health mentions on social media is essential to complement existing health surveillance systems.
no code implementations • 2 Sep 2022 • Jialin Yu, Alexandra I. Cristea, Anoushka Harit, Zhongtian Sun, Olanrewaju Tahir Aduragba, Lei Shi, Noura Al Moubayed
XAI with natural language processing aims to produce human-readable explanations as evidence for AI decision-making, which addresses explainability and transparency.
Decision Making Explainable Artificial Intelligence (XAI) +2
no code implementations • 26 Apr 2021 • Jialin Yu, Laila Alrajhi, Anoushka Harit, Zhongtian Sun, Alexandra I. Cristea, Lei Shi
Learners may post their feelings of confusion and struggle in the respective MOOC forums, but with the large volume of posts and high workloads for MOOC instructors, it is unlikely that the instructors can identify all learners requiring intervention.
no code implementations • 12 Aug 2020 • Lei Shi, Alexandra I. Cristea, Armando M. Toda, Wilk Oliveira
Massive Open Online Courses (MOOCs) exhibit a remarkable heterogeneity of students.
no code implementations • 12 Aug 2020 • Ahmed Alamri, Mohammad Alshehri, Alexandra I. Cristea, Filipe D. Pereira, Elaine Oliveira, Lei Shi, Craig Stewart
While Massive Open Online Course (MOOCs) platforms provide knowledge in a new and unique way, the very high number of dropouts is a significant drawback.
no code implementations • 26 Aug 2018 • Adam Tsakalidis, Nikolaos Aletras, Alexandra I. Cristea, Maria Liakata
Modelling user voting intention in social media is an important research area, with applications in analysing electorate behaviour, online political campaigning and advertising.
no code implementations • 19 Jul 2018 • Adam Tsakalidis, Maria Liakata, Theo Damoulas, Alexandra I. Cristea
Predicting mental health from smartphone and social media data on a longitudinal basis has recently attracted great interest, with very promising results being reported across many studies.