Publications & ongoing work

Research

Work on machine learning optimisation, model alignment, and the reliability of systems that must know when not to answer.

PublishedFirst AuthorarXiv2025

Enhancing Speech Emotion Recognition via Fine-Tuning Pre-Trained Models and Hyper-Parameter Optimisation

Research into resource-efficient AutoML and hyperparameter optimisation for speech emotion recognition, using pretrained representations, Bayesian optimisation, and TPE.

  • Speech emotion recognition
  • Fine-tuning
  • AutoML
  • Bayesian optimisation
Manuscript in preparationReinforcement Learning Lead

Model Alignment for Reliable LLM Abstention

Research on model uncertainty and reliable refusal or abstention behaviour, with work spanning reinforcement learning, GRPO, DPO, and fine-tuning.

  • LLM reliability
  • Abstention
  • GRPO
  • DPO
  • Fine-tuning

Paper, code, and project links will be added when verified URLs are supplied.