Jiyu Chen

Jiyu Chen

Computational Linguistics, Affective Computing & Bioinformatics

Bio

I am a Research fellow @ CSIRO’s Data61 where I work with Dr. Cecile Paris, Dr. Sarvnaz Karimi, and Dr. Diego Molla-Aliod; Acquired PhD 🎓 from the University of Melbourne, supervised by A/Prof. Nicholas Geard, Prof. Karin Verspoor, Prof. Justin Zobel, and Dr. Benjamin Goudey.

My research focuses on the practical applications of NLP and large language models (LLMs) to address real-world challenges in healthcare. I’ve developed automatic solutions for extracting key information from electronic breast cancer follow-up treatment records, accelerating clinical research and decision-making. I also created an NLP-based automated quality assessment system for biological databases, enhancing the reliability of gene and protein function knowledge to support protein research. Additionally, I proposed an innovative approach to integrate bio-ontologies into machine learning frameworks, significantly improving the accuracy of gene function data quality assessments.

At CSIRO, I led efforts to improve the explainability of LLMs for suicide ideation prediction in mental health, and directed a team in comprehensive evaluations of LLMs on affective computing tasks, including cross-lingual and cross-cultural emotion detection and time-series valence/arousal regression. I supervise researchers from national key research labs across multiple countries, leading projects that involve close cross-national, cross-institutional, and cross-domain collaboration. Currently, I’m working on a key research project that aims to assist clinical psychologists in identifying emotion regulation patterns from large-scale social media data, finding effective ways to help people build resilience for mental health.

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