Authors

Jia Wan

Publications 2

Preprint Open access

Scalable Multi-Task Inverse Reinforcement Learning

Allen Tran, Jia Wan, Nathan Kallus et al. · 2026

By learning transferable rewards, inverse reinforcement learning (IRL) enables counterfactual evaluation of agents under modified environments. Such transfer places strict requirements on coverage since target environments affect agents' state occupancy. We propose a multi-task IRL method that pools data across multipl …

Preprint Open access

Multi-Scale Semantic Mapping in Urban Environments via Observation Calibration and Policy Dependence Regularization

Semantic mapping is fundamental to embodied navigation, yet existing methods are developed for indoor environments, where objects exhibit relatively limited scale variation and are observed from a restricted range of viewpoints. Urban environments pose substantially greater challenges: agents must map objects ranging f …

Co-authors