Zihe Yan
1 indexed paper
Recent (6 mo)
1With code
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126
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AI×1
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2026
RASER: Recoverability-Aware Selective Escalation Router for Multi-Hop Question Answering
RASER introduces a family of cheap, router-based systems that selectively decide whether to perform expensive multi-hop retrieval, significantly reducing LLM token costs while maintaining state-of-the-art performance.
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