---
title: "Ning Zhang — papers of 2025 — 1 paper, the most cited first"
description: "Ning Zhang — papers of 2025: 1 paper on Elamur Research, the most cited first — what each work is about in our own words."
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# Ning Zhang — papers of 2025 — 1 paper, the most cited first

1 paper · [all years of Ning Zhang](https://md.research.elamur.ai/free/en/authors/ning-zhang/#years)

**[PIGuard: Prompt Injection Guardrail via Mitigating Overdefense for Free](https://md.research.elamur.ai/free/en/papers/li-2025-piguard-prompt-injection-guardrail-mitigating/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Hao Li, Xiaogeng Liu, Ning Zhang, et al.*2025 · 16 citations*