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Explicit Belief States

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Oct 16, 2026 · Artificial Intelligence

PoS: Detecting and Escaping Belief Trapping in Long-Horizon AI Agents

Researchers from Nankai University, Alibaba Cloud, and Tsinghua University propose PoS (Progression of States), a framework that maintains explicit belief states to detect and recover from Belief Trapping—where agents keep acting but fail to progress—achieving state-of-the-art results across four benchmarks and three base models.

AI AgentsALFWorldAgent Recovery

0 likes · 21 min read

PoS: Detecting and Escaping Belief Trapping in Long-Horizon AI Agents

Machine Heart

Oct 14, 2026 · Artificial Intelligence

PoS: Breaking Belief Trapping in Long-Horizon Agents with Explicit Belief States

Researchers from Nankai University and Alibaba Cloud propose PoS (Progression of States), a framework that maintains explicit belief states to detect 'Belief Trapping'—where agents appear active but make no task progress—using a Belief Health metric and trapping-aware recovery, achieving state-of-the-art results across four benchmarks with three base models.

ALFWorldBelief HealthBelief Trapping

0 likes · 20 min read

PoS: Breaking Belief Trapping in Long-Horizon Agents with Explicit Belief States