collaborators

5 papers

cs.CR2026

"Shut Up and Let Me Enjoy My Otome": Understanding and Measuring the Toxicity in Otome Game Communities

Yage Zhang, Xinyue Shen, Yukun Jiang +2

Otome games, a romance simulation genre primarily targeting female, have emerged as a major force in the global gaming market, attracting hundreds of millions of players and billio…

cs.CR2026

HarmfulSkillBench: How Do Harmful Skills Weaponize Your Agents?

Yukun Jiang, Yage Zhang, Michael Backes +2

Large language models (LLMs) have evolved into autonomous agents that rely on open skill ecosystems (e.g., ClawHub and Skills.Rest), hosting numerous publicly reusable skills. Exis…

cs.CR2026

Real Money, Fake Models: Deceptive Model Claims in Shadow APIs

Yage Zhang, Yukun Jiang, Zeyuan Chen +3

Access to frontier large language models (LLMs), such as GPT-5 and Gemini-2.5, is often hindered by high pricing, payment barriers, and regional restrictions. These limitations dri…

cs.LG2026

Sparse Models, Sparse Safety: Unsafe Routes in Mixture-of-Experts LLMs

Yukun Jiang, Hai Huang, Mingjie Li +3

By introducing routers to selectively activate experts in Transformer layers, the mixture-of-experts (MoE) architecture significantly reduces computational costs in large language…

cs.SI2026

"Humans welcome to observe": A First Look at the Agent Social Network Moltbook

Yukun Jiang, Yage Zhang, Xinyue Shen +2

The rapid advancement of artificial intelligence (AI) agents has catalyzed the transition from static language models to autonomous agents capable of tool use, long-term planning,…