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Shibo Li

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Jul 2026

Verbalized Particle Posterior: Bayesian Inference over Natural Language Hypotheses

The Verbalized Particle Posterior (VPP) is proposed, which treats verbalized learning as a Bayesian inference problem: maintain a population of natural-language hypotheses as particles, update them with Metropolis-Hastings or Sequential Monte Carlo, and predict by Bayesian model averaging.

Yan Zhang, Shikan Lian, Shibo Li · 0 citations
Jul 2026

ConsistencyGate: Preventing Memory Contamination in LLM Agents via Self-Consistency Admission Control

A write-time admission gate that, before committing a candidate fact m extracted from context c, queries the LLM K times for a soft support score and admits m only when the average exceeds a threshold, and reduces to a single forward pass in a log-probability variant for latency-sensitive deployments.

Yan Zhang, Shibo Li · 2 citations
Jul 2026

Conformal Cascade: Distribution-Free Accuracy Guarantees for Multi-Tier LLM Inference

Conformal Cascade (CC), a multi-tier inference framework that uses conformal prediction set size as the deferral rule: accept when the calibrated set collapses to a single answer, defer otherwise, delivers a distribution-free, finite-sample accuracy guarantee.

Yifan Dou, Shikan Lian, Shibo Li · 0 citations

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