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Elias Hossain

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#artificial intelligence Preprint Sep 2026

Agreement Overstates Evidence: Error Dependence in LLM Judge Consensus

Consensus among LLM judges is often taken as strong evidence that a decision is correct. This assumes that judges make their errors independently. In practice, LLM judges are often trained and evaluated in similar ways, so they can make the same mistakes. We study how this dependency affects the reliability of consensu...

Elias Hossain, Niloofar Yousefi, Ser-Nam Lim · 1 citation
Jul 2026

ChannelGuard: Safe Models Do Not Compose into Safe Multi-Agent Systems

ChannelGuard, a training-free defense-in-depth framework placing information-bottleneck gates on every inter-agent channel; each scores channel text against an adversarial phrase bank by embedding similarity and deterministically passes, compresses, or blocks it, adding no LLM call, while an attribution method records...

Elias Hossain, Md. Mehedi Hasan Bhuiyan Nipu, Fatema Tuj Johora Faria et al. · 0 citations

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