activity
20232026
most citedGraph Reinforcement Learning for Combinatorial Optimization: A Survey and Unifying Perspective

2 citations · 10 across the 14 of their papers we have counts for

collaborators

14 papers

cs.AI2026

The Role of Network Topology and Opponent Information in Shaping Cooperation in Multi-Agent Reinforcement Learning Systems

Seongho Son, Stephen Hailes, Mirco Musolesi

Several works have investigated the influence of graph topology on cooperation among artificial agents, while the majority of the literature has focused on modelling agents' adapta…

cs.LG2025

Towards Trustworthy Wi-Fi CSI-based Sensing: Systematic Evaluation of Adversarial Robustness

Shreevanth Krishnaa Gopalakrishnan, Stephen Hailes

Machine learning drives Channel State Information (CSI)-based human sensing in modern wireless networks, enabling applications like device-free human activity recognition (HAR) and…

cs.LG2025

Opponent Shaping in LLM Agents

Marta Emili Garcia Segura, Stephen Hailes, Mirco Musolesi

Large Language Models (LLMs) are increasingly being deployed as autonomous agents in real-world environments. As these deployments scale, multi-agent interactions become inevitable…

cs.LG2025

A Generalized Information Bottleneck Theory of Deep Learning

Charles Westphal, Stephen Hailes, Mirco Musolesi

The Information Bottleneck (IB) principle offers a compelling theoretical framework to understand how neural networks (NNs) learn. However, its practical utility has been constrain…

cs.LG2024★ 1 cited

Feature Selection for Network Intrusion Detection

Charles Westphal, Stephen Hailes, Mirco Musolesi

Network Intrusion Detection (NID) remains a key area of research within the information security community, while also being relevant to Machine Learning (ML) practitioners. The la…

cs.LG2024

Mutual Information Preserving Neural Network Pruning

Charles Westphal, Stephen Hailes, Mirco Musolesi

Pruning has emerged as the primary approach used to limit the resource requirements of large neural networks (NNs). Since the proposal of the lottery ticket hypothesis, researchers…

cs.LG2024★ 2 cited

Moral Alignment for LLM Agents

Elizaveta Tennant, Stephen Hailes, Mirco Musolesi

Decision-making agents based on pre-trained Large Language Models (LLMs) are increasingly being deployed across various domains of human activity. While their applications are curr…

cs.LG2024★ 1 cited

Large Language Models are Effective Priors for Causal Graph Discovery

Victor-Alexandru Darvariu, Stephen Hailes, Mirco Musolesi

Causal structure discovery from observations can be improved by integrating background knowledge provided by an expert to reduce the hypothesis space. Recently, Large Language Mode…

cs.LG2024★ 1 cited

Partial Information Decomposition for Data Interpretability and Feature Selection

Charles Westphal, Stephen Hailes, Mirco Musolesi

In this paper, we introduce Partial Information Decomposition of Features (PIDF), a new paradigm for simultaneous data interpretability and feature selection. Contrary to tradition…

cs.LG2024★ 2 cited

Graph Reinforcement Learning for Combinatorial Optimization: A Survey and Unifying Perspective

Victor-Alexandru Darvariu, Stephen Hailes, Mirco Musolesi

Graphs are a natural representation for systems based on relations between connected entities. Combinatorial optimization problems, which arise when considering an objective functi…

cs.MA2024★ 2 cited

Dynamics of Moral Behavior in Heterogeneous Populations of Learning Agents

Elizaveta Tennant, Stephen Hailes, Mirco Musolesi

Growing concerns about safety and alignment of AI systems highlight the importance of embedding moral capabilities in artificial agents: a promising solution is the use of learning…

cs.LG2024

TERC: A Transfer Entropy Redundancy Criterion for State Variable Selection in Reinforcement Learning

Charles Westphal, Stephen Hailes, Mirco Musolesi

Identifying the most suitable variables to represent the state is a fundamental challenge in Reinforcement Learning (RL). These variables must efficiently capture the information n…

cs.AI2023★ 1 cited

Hybrid Approaches for Moral Value Alignment in AI Agents: a Manifesto

Elizaveta Tennant, Stephen Hailes, Mirco Musolesi

Increasing interest in ensuring the safety of next-generation Artificial Intelligence (AI) systems calls for novel approaches to embedding morality into autonomous agents. This goa…

cs.LG2023

Tree Search in DAG Space with Model-based Reinforcement Learning for Causal Discovery

Victor-Alexandru Darvariu, Stephen Hailes, Mirco Musolesi

Identifying causal structure is central to many fields ranging from strategic decision-making to biology and economics. In this work, we propose CD-UCT, a model-based reinforcement…