Dr Cass Zhixue Zhao

About

Cass (Zhixue) Zhao is a lecturer in Natural Language Processing in the Department of Computer Science at the University of Sheffield. Before that she was a postdoc researcher, supervised by Prof Nikos Aletras, on model interpretability, model hallucination and model compression. Back in 2020 she worked as a research assistant within the same department, working on NIHR-funded NLP projects for systematic reviews of public health research. She has served on the Programme Committee for AAAI, ACL and EMNLP. She is currently looking for highly-motivated PhD students, please contact her directly if you are interested.

Selected publications

• Zhao Z, Thomas J, Kell G, Stansfield C, Clowes M, Graziosi S, Brunton J, Marshall IJ & Stevenson M (2024) The FAIR database: facilitating access to public health research literature. JAMIA Open, 7(4).
• Zhao Z, Zhang Z & Hopfgartner F (2022) Utilizing subjectivity level to mitigate identity term bias in toxic comments classification. Online Social Networks and Media, 29, 100205-100205.
• Zhao Z, Zhang Z & Hopfgartner F (2021) A Comparative Study of Using Pre-trained Language Models for Toxic Comment Classification. Companion Proceedings of the Web Conference 2021 View this article in WRRO
• Zhao Z & Aletras N (2023) Incorporating Attribution Importance for Improving Faithfulness Metrics, arXiv.
• Zhao Z, Chrysostomou G, Bontcheva K & Aletras N (2022) On the Impact of Temporal Concept Drift on Model Explanations, arXiv.
• Zhao Z, Zhang Z & Hopfgartner F (2021) SS-BERT: Mitigating Identity Terms Bias in Toxic Comment Classification by Utilising the Notion of "Subjectivity" and "Identity Terms", arXiv.