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Author

Samaneh Mohtadi

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Preprint Aug 2026

Persona Conditioning as an Assessor-Sensitivity Probe for LLM-Based IR Evaluation

These findings position persona-conditioned judging as a controlled sensitivity probe for stress-testing LLM-based IR evaluation pipelines and identifying systems whose evaluation outcomes are sensitive to assessor framing.

Samaneh Mohtadi, Pietro Bernardelle, Joel Mackenzie et al. · 0 citations
Preprint Jul 2026

LLMs Encode Relevance as a Layer-Wise Cross-Lingual Signal

This work studies whether query-document (q-d) relevance is linearly decodable from residual-stream activations in instruction-tuned LLMs, how this signal compares with generated relevance judgments, and whether it transfers across languages.

Pietro Bernardelle, Samaneh Mohtadi, Stefano Civelli et al. · 0 citations

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