Self-Explaining Deviations for CoordinationDownload PDF

Published: 31 Oct 2022, 18:00, Last Modified: 12 Jan 2023, 03:42NeurIPS 2022 AcceptReaders: Everyone
Keywords: multi-agent, planning, zero-shot coordination
Abstract: Fully cooperative, partially observable multi-agent problems are ubiquitous in the real world. In this paper, we focus on a specific subclass of coordination problems in which humans are able to discover self-explaining deviations (SEDs). SEDs are actions that deviate from the common understanding of what reasonable behavior would be in normal circumstances. They are taken with the intention of causing another agent or other agents to realize, using theory of mind, that the circumstance must be abnormal. We motivate this idea with a real world example and formalize its definition. Next, we introduce an algorithm for improvement maximizing SEDs (IMPROVISED). Lastly, we evaluate IMPROVISED both in an illustrative toy setting and the popular benchmark setting Hanabi, where we show that it can produce so called finesse plays.
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