activity
20242026
most citedTowards a Foundation Purchasing Model: Pretrained Generative Autoregression on Transaction Sequences

5 citations · 6 across the 8 of their papers we have counts for

collaborators

8 papers

cs.LG2026

Fairness-Aware Test-Time Prompt Tuning

Yoann Launay, Parameswaran Kamalaruban, Tom Kempton +2

Vision-language models have displayed remarkable capabilities in multi-modal understanding and are increasingly used in critical applications where economic and practical deploymen…

cs.LG2026

MINT: A Universal Zero-Shot Predictor for Transaction Data

Parameswaran Kamalaruban, Viktor Drobnyi, Maeve Madigan +3

Banks analyse sequential financial transaction data to perform many tasks, including fraud prevention, credit risk assessment and offer personalization. To improve the predictive a…

cs.CL2026

DMAP: A Distribution Map for Text

Tom Kempton, Julia Rozanova, Parameswaran Kamalaruban +5

Large Language Models (LLMs) are a powerful tool for statistical text analysis, with derived sequences of next-token probability distributions offering a wealth of information. Ext…

cs.LG2025

Emergent Bias and Fairness in Multi-Agent Decision Systems

Maeve Madigan, Parameswaran Kamalaruban, Glenn Moynihan +3

Multi-agent systems have demonstrated the ability to improve performance on a variety of predictive tasks by leveraging collaborative decision making. However, the lack of effectiv…

cs.LG2025★ 1 cited

Fairness-Aware Low-Rank Representation Fine-Tuning

Parameswaran Kamalaruban, Mark Anderson, Stuart Burrell +3

Pre-trained foundation models can be efficiently adapted for specific tasks using Low-Rank Adaptation (LoRA), but the fairness properties of these adapted classifiers remain undere…

cs.LG2024

Evaluating Fairness in Transaction Fraud Models: Fairness Metrics, Bias Audits, and Challenges

Parameswaran Kamalaruban, Yulu Pi, Stuart Burrell +4

Ensuring fairness in transaction fraud detection models is vital due to the potential harms and legal implications of biased decision-making. Despite extensive research on algorith…

cs.LG2024★ 5 cited

Towards a Foundation Purchasing Model: Pretrained Generative Autoregression on Transaction Sequences

Piotr Skalski, David Sutton, Stuart Burrell +2

Machine learning models underpin many modern financial systems for use cases such as fraud detection and churn prediction. Most are based on supervised learning with hand-engineere…

cs.CR2024

Locally Differentially Private Embedding Models in Distributed Fraud Prevention Systems

Iker Perez, Jason Wong, Piotr Skalski +4

Global financial crime activity is driving demand for machine learning solutions in fraud prevention. However, prevention systems are commonly serviced to financial institutions in…