Research index

Publications.

Published work, preprints, workshops, and public research notes across AI, cyber security, and applied machine learning.

Total records

5 publications

Latest

2026

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01

An Overview of Subliminal Learning

Martin, D. P.; Spillard, S.

Abstract

Survey of the current state of subliminal learning research, identifying open problems that must be addressed before these techniques become practical security threats.

Web Article

ICLR 2026 Blog Post Track / 2026

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02

TimeCluster with PCA is Equivalent to Subspace Identification of Linear Dynamical Systems

Hines, C. L.; Spillard, S.; Martin, D., P.

Abstract

TimeCluster reveals structure in long multivariate time series by turning sliding windows into a low-dimensional visual map. This paper shows that, when TimeCluster uses PCA, it is mathematically the same as classical subspace system identification: both build a Hankel-style window matrix and use SVD to extract the same underlying linear state space. Experiments confirm the embeddings match, opening up links between visual analytics and dynamical systems methods such as forecasting, streaming analysis, input-aware modelling, and robust trend discovery.

Preprint

arXiv / 2025

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03

Brief analysis of DeepSeek R1 and its implications for Generative AI

Mercer, Sarah; Spillard, Samuel; Martin, Daniel P.

Abstract

DeepSeek R1 challenged assumptions about the cost and infrastructure needed to build frontier reasoning models. This report examines how techniques such as Mixture of Experts, reinforcement learning, and efficient engineering helped make the model competitive with leading Western systems, and considers what its release signals for the future direction of Generative AI.

Preprint

arXiv / 2025

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04

Developing Optimal Causal Cyber-defence Agents via Cyber Security Simulation

Andrew, A.; Spillard, S.; Collyer, J.; Dhir, N.

Abstract

This paper presents a cyber-simulation framework where dynamic causal Bayesian optimisation acts as a blue agent, selecting defensive interventions to limit a red agent’s spread through a network. By combining causal modelling, optimisation, and simulated intrusion data, it lays the groundwork for more principled decision-making in automated cyber defence.

Workshop

ML4Cyber Workshop at 39th International Conference on Machine Learning (ICML) / 2022

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05

Machine Learning Entanglement Freedom

Spillard, S.; Turner, C., J.; Meichanetzidis, K

Abstract

This paper applies machine learning to quantify interaction effects in quantum many-body systems. By predicting, and then approximating, the interaction distance from entanglement spectra, it shows that supervised models and autoencoders can recover meaningful signatures of interacting quantum physics without directly solving the full optimisation problem.

Journal Article

International Journal of Quantum Information / 2018

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