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On the Role of Emergent Communication for Social Learning in Multi-Agent Reinforcement Learning
Explicit communication among humans is key to coordinating and learning.
Towards True Lossless Sparse Communication in Multi-Agent Systems
We evaluate the learned communication `language' through direct causal analysis of messages in non-sparse runs to determine the range of lossless sparse budgets, which allow zero-shot sparsity, and the range of sparse budgets that will inquire a reward loss, which is minimized by our learned gating function with few-shot sparsity.
Probe-Based Interventions for Modifying Agent Behavior
Neural nets are powerful function approximators, but the behavior of a given neural net, once trained, cannot be easily modified.
Interpretable Learned Emergent Communication for Human-Agent Teams
In human-agent teams tested in benchmark environments, where agents have been modeled using the Enforcers, we find that a prototype-based method produces meaningful discrete tokens that enable human partners to learn agent communication faster and better than a one-hot baseline.
