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News/When Retrieval Metrics Mislead: Measuring Policy Signal in Long-Horizon Tool-Use Agents
arxiv
PublishedSeptember 18, 2026 at 4:00 AM
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When Retrieval Metrics Mislead: Measuring Policy Signal in Long-Horizon Tool-Use Agents

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arXiv:2606.23937v2 Announce Type: replace-cross Abstract: Exact-match retrieval recall is often used as a proxy for whether a retriever supplies useful policy context to a downstream decision model. We test this proxy for pre-action policy classification in $\tau$-bench using Qwen2.5-3B/7B classifie

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