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Contextual Squeeze-and-Excitation for Efficient Few-Shot Image Classification



Massimiliano Patacchiola , John Bronskill , Aliaksandra Shysheya , Katja Hofmann , Sebastian Nowozin , Richard E. Turner


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Interactively Learning Preference Constraints in Linear Bandits



David Lindner , Sebastian Tschiatschek , Katja Hofmann , Andreas Krause

* Accepted to International Conference on Machine Learning (ICML), 2022 

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Towards Flexible Inference in Sequential Decision Problems via Bidirectional Transformers



Micah Carroll , Jessy Lin , Orr Paradise , Raluca Georgescu , Mingfei Sun , David Bignell , Stephanie Milani , Katja Hofmann , Matthew Hausknecht , Anca Dragan , Sam Devlin


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Monotonic Improvement Guarantees under Non-stationarity for Decentralized PPO



Mingfei Sun , Sam Devlin , Katja Hofmann , Shimon Whiteson


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You May Not Need Ratio Clipping in PPO



Mingfei Sun , Vitaly Kurin , Guoqing Liu , Sam Devlin , Tao Qin , Katja Hofmann , Shimon Whiteson


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Deterministic and Discriminative Imitation (D2-Imitation): Revisiting Adversarial Imitation for Sample Efficiency



Mingfei Sun , Sam Devlin , Katja Hofmann , Shimon Whiteson

* AAAI 2022 

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NeurIPS 2021 Competition IGLU: Interactive Grounded Language Understanding in a Collaborative Environment



Julia Kiseleva , Ziming Li , Mohammad Aliannejadi , Shrestha Mohanty , Maartje ter Hoeve , Mikhail Burtsev , Alexey Skrynnik , Artem Zholus , Aleksandr Panov , Kavya Srinet , Arthur Szlam , Yuxuan Sun , Katja Hofmann , Michel Galley , Ahmed Awadallah


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Strategically Efficient Exploration in Competitive Multi-agent Reinforcement Learning



Robert Loftin , Aadirupa Saha , Sam Devlin , Katja Hofmann

* To Appear in Uncertainty in Artificial Intelligence (UAI) 2021. 10 figures, 14 pages 

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SocialAI: Benchmarking Socio-Cognitive Abilities in Deep Reinforcement Learning Agents



Grgur Kovač , Rémy Portelas , Katja Hofmann , Pierre-Yves Oudeyer

* under review. This paper extends and generalizes work in arXiv:2104.13207 

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