collaborators

5 papers

cs.DC2026

MTGenRec: An Efficient Distributed Training System for Generative Recommendation Models in Meituan

Yuxiang Wang, Chi Ma, Xiao Yan +15

Recommendation is crucial for both user experience and company revenue in Meituan as a leading lifestyle company, and generative recommendation models (GRMs) are shown to produce q…

cs.LG2026

MTServe: Efficient Serving for Generative Recommendation Models with Hierarchical Caches

Xin Wang, Chi Ma, Shaobin Chen +14

Generative recommendation (GR) offers superior modeling capabilities but suffers from prohibitive inference costs due to the repeated encoding of long user histories. While cross-r…

cs.CL2026

CSSBench: Evaluating the Safety of Lightweight LLMs against Chinese-Specific Adversarial Patterns

Zhenhong Zhou, Shilinlu Yan, Chuanpu Liu +3

Large language models (LLMs) are increasingly deployed in cost-sensitive and on-device scenarios, and safety guardrails have advanced mainly in English. However, real-world Chinese…

cs.LG2025

Scaling Laws for Black box Adversarial Attacks

Chuan Liu, Huanran Chen, Yichi Zhang +2

Adversarial examples exhibit cross-model transferability, enabling threatening black-box attacks on commercial models. Model ensembling, which attacks multiple surrogate models, is…

cs.IR2025

MTGR: Industrial-Scale Generative Recommendation Framework in Meituan

Ruidong Han, Bin Yin, Shangyu Chen +12

Scaling law has been extensively validated in many domains such as natural language processing and computer vision. In the recommendation system, recent work has adopted generative…