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Qianfeng Wen

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#artificial intelligence Review Oct 2026

AgentPersonaBench: Benchmarking Persona-Driven User Simulation

We introduce AgentPersonaBench (APB), a benchmark evaluating whether persona conditioning faithfully steers downstream agent behavior. While language models are increasingly deployed for persona-driven user simulation, existing benchmarks primarily evaluate conversational styling or self-reports rather than authentic b...

Jin-Tao Huang, Yi-Fan Wang, Hong-Yuan Shen et al. · 0 citations

SafeGEO: Understanding Generative Engine Optimization Risks in Recommendation Agents

SafeGEO is constructed, an evaluation suite with 22 GEO attack variants across 600 recommendation cases that empirically show that GEO attacks can promote flawed target products and whether agent-side design choices can mitigate this risk.

Qian-Feng Wen, Y. Liu, Xin Liu et al. · 5 citations · ⚡1
Review Aug 2026

MatrAIx: Simulating the World with 8.3 Billion Persona Agents

MatrAIx is introduced, a population-scale simulated-user evaluation infrastructure for testing AI systems and digital products with heterogeneous users and provides an end-to-end infrastructure for evaluating AI systems and digital products with diverse simulated human users.

Xiaomin Li, Yuexing Hao, Jian Hou et al. · 1 citation

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