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Sadid A. Hasan

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#artificial intelligence Preprint Sep 2026

How User-AI Mistreatment Occurs and Matters in Conversational Systems?

It is found that user hostility varies 13-fold across models, driven largely by who each model attracts rather than by model behaviour: first-turn hostility spreads far wider than post-response hostility, and more than fifteenfold separates the extremes even after deduplicating opening prompts.

Fan-Qi Zeng, Sadid A. Hasan, Chao-Cheng He · 0 citations
Preprint Aug 2026

Can LLMs Truly Forget? Revealing Unlearning Gaps Through Adversarial Evaluation

Strong standard-metric performance alone is insufficient to establish robustness after unlearning and motivate adversarial stress-testing as a complementary component of unlearning evaluation, showing a substantial gap between clean-query forgetting and adversarial robustness.

A. Gupta, Hima Varshini Surisetty, Sreevidya Bollineni et al. · 1 citation

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