Search Results for author: Chi Han

Found 5 papers, 3 papers with code

Learning Homophilic Incentives in Sequential Social Dilemmas

no code implementations29 Sep 2021 Heng Dong, Tonghan Wang, Jiayuan Liu, Chi Han, Chongjie Zhang

Promoting cooperation among self-interested agents is a long-standing and interdisciplinary problem, but receives less attention in multi-agent reinforcement learning (MARL).

Multi-agent Reinforcement Learning

Learning Shared Semantic Space for Speech-to-Text Translation

2 code implementations Findings (ACL) 2021 Chi Han, Mingxuan Wang, Heng Ji, Lei LI

By projecting audio and text features to a common semantic representation, Chimera unifies MT and ST tasks and boosts the performance on ST benchmarks, MuST-C and Augmented Librispeech, to a new state-of-the-art.

Machine Translation Speech-to-Text Translation +1

Birds of a Feather Flock Together: A Close Look at Cooperation Emergence via Multi-Agent RL

no code implementations23 Apr 2021 Heng Dong, Tonghan Wang, Jiayuan Liu, Chi Han, Chongjie Zhang

We propose a novel learning framework to encourage homophilic incentives and show that it achieves stable cooperation in both SSDs of public goods and tragedy of the commons.

Multi-agent Reinforcement Learning

Visual Concept-Metaconcept Learning

1 code implementation NeurIPS 2019 Chi Han, Jiayuan Mao, Chuang Gan, Joshua B. Tenenbaum, Jiajun Wu

Humans reason with concepts and metaconcepts: we recognize red and green from visual input; we also understand that they describe the same property of objects (i. e., the color).

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