Andrea Marchini

I'm a Senior Machine Learning Scientist at Expedia Group currently working on personalisation using reinforcement learning.

I previously did research in cosmology and quantum gravity at Sapienza University of Rome, studying loop quantum cosmology, dark energy, and modified gravity. My work has evolved to focus on practical applications of AI/ML, particularly in designing context-aware recommendation systems that can adapt in real-time.

Publications

A Hybrid Meta-Learning and Multi-Armed Bandit Approach for Context-Specific Multi-Objective Recommendation Optimization

A Hybrid Meta-Learning and Multi-Armed Bandit Approach for Context-Specific Multi-Objective Recommendation Optimization

Tiago Cunha, Andrea Marchini

arXiv.org 2024

TRACE: Transformer-based user Representations from Attributed Clickstream Event sequences

TRACE: Transformer-based user Representations from Attributed Clickstream Event sequences

William Black, Alexander Manlove, Jack Pennington, Andrea Marchini, Ercüment Ilhan, Vilda K. Markeviciute

arXiv.org 2024

A Hybrid Meta-Learning and MAB Approach for Context-Specific Multi-Objective Recommendation Optimization

Tiago Cunha, Andrea Marchini

SURE@RecSys 2024