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BELIEFRAG: Making Adaptive RAG State-Aware under Evolving Evidence

Adaptive RAG uses signals such as confidence, relevance, support, and retrieval quality to decide when to search or correct evidence. In multi-step retrieval, however, these local signals must be combined into a persistent view of what the current evidence supports, what remains missing, and which action should follow. Existing methods often use such signals as separate triggers, making it…

We haven't written up this one. arXiv cs.AI has the full story — the link below goes straight to it.

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How AI Voice Agents Actually Work

AI phone agents went from obviously robotic to occasionally indistinguishable from a person in about two years. The reason is not one breakthrough.

  • Voice agents use three models and telephony in a pipeline
  • Latency under 1.5 seconds is crucial for natural conversation
  • Task completion capability distinguishes practical voice agents

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