3 papers
cs.LG2026
Specification Gaming and a Constrained Reinforcement Learning Mitigation in a Cleaning Gridworld
Hilda Adwubi Osei
Reinforcement learning agents optimize exactly the reward signal they are given, which can diverge sharply from an intended true objective when that signal is only a proxy for it;…
cs.LG2026
Fairness under Prediction Error in Predict-then-Optimize Pipelines
Hilda Adwubi Osei
Fairness constraints in predict-then-optimize pipelines are necessarily enforced on predicted outcomes , since true outcomes are unobserved at decision time. We study…
cs.LG2026
Learning from waste: Machine Learning for health risk prediction and computer vision-based sorting in Ghana
Hilda Adwubi Osei, Catherine Tenewaa Osei, Desdemona Yaa Asobayire
The inappropriate disposal of solid waste remains a significant public health and environmental concern worldwide, including in Ghana. Poor sanitation and improper waste management…