Nicholas C. Landolfi

Asking Easy Questions: A User-Friendly Approach to Active Reward Learning

2019 · arXiv (Cornell University)

Robots can learn the right reward function by querying a human expert. Existing approaches attempt to choose questions where the robot is most uncertain about the human's response; however, they do not consider how easy …

Probabilistic Modeling Using Tree Linear Cascades

2022 · arXiv (Cornell University)

We introduce tree linear cascades, a class of linear structural equation models for which the error variables are uncorrelated but need not be Gaussian nor independent. We show that, in spite of this weak assumption, …