activity
20242026
collaborators

5 papers

astro-ph.CO2026

FAIR Universe Weak Lensing ML Uncertainty Challenge: Handling Uncertainties and Distribution Shifts for Precision Cosmology

Biwei Dai, Po-Wen Chang, Wahid Bhimji +15

Weak gravitational lensing, the correlated distortion of background galaxy shapes by foreground structures, is a powerful probe of the matter distribution in our universe and allow…

hep-ph2025

OmniLearned: A Foundation Model Framework for All Tasks Involving Jet Physics

Wahid Bhimji, Chris Harris, Vinicius Mikuni +1

Foundation models use large datasets to build an effective representation of data that can be deployed on diverse downstream tasks. Previous research developed the OmniLearn founda…

hep-ph2025

Fair Universe Higgs Uncertainty Challenge

Ragansu Chakkappai, Wahid Bhimji, Paolo Calafiura +16

This competition in high-energy physics (HEP) and machine learning was the first to strongly emphasise uncertainties in cross-section measurement. Partici…

cs.LG2025

Building Machine Learning Challenges for Anomaly Detection in Science

Elizabeth G. Campolongo, Yuan-Tang Chou, Ekaterina Govorkova +148

Scientific discoveries are often made by finding a pattern or object that was not predicted by the known rules of science. Oftentimes, these anomalous events or objects that do not…

hep-ph2024

FAIR Universe HiggsML Uncertainty Dataset and Competition

Lisa Benato, Wahid Bhimji, Paolo Calafiura +26

The FAIR Universe HiggsML Uncertainty Challenge focused on measuring the physical properties of elementary particles with imperfect simulators. Participants were required to comput…