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Mark Beliaev

3 accepted papers

2025

Inverse Reinforcement Learning by Estimating Expertise of Demonstrators

AAAI 2025technical

In Imitation Learning (IL), utilizing suboptimal and heterogeneous demonstrations presents a substantial challenge due to the varied nature of real-world data. However, standard IL algorithms consider these datasets as homogeneous, thereby inheriting the deficiencies of suboptimal demonstrators. Pre…

2022

Imitation Learning by Estimating Expertise of Demonstrators

ICML 2022spotlight

Many existing imitation learning datasets are collected from multiple demonstrators, each with different expertise at different parts of the environment. Yet, standard imitation learning algorithms typically treat all demonstrators as homogeneous, regardless of their expertise, absorbing the weaknes…

2021

Emergent Prosociality in Multi-Agent Games Through Gifting

IJCAI 2021poster

Coordination is often critical to forming prosocial behaviors -- behaviors that increase the overall sum of rewards received by all agents in a multi-agent game. However, state of the art reinforcement learning algorithms often suffer from converging to socially less desirable equilibria when multip…

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