collaborators

6 papers

cs.CR2026

ReCAST: Restoration-aware Cascaded Stage-wise Training for Obfuscated SMS Risk Classification

Jieyun Huang, Yi Shen, Kaikai Zhao +7

Fraudulent messages sent via Short Message Service (SMS) are increasingly obfuscated to evade cost-conscious classifiers in production systems. In Chinese SMS, attackers can exploi…

cs.SE2026

Token-Operations-Oriented Inference Optimization Techniques for Large Models

Shiguo Lian, Kai Wang, Zhaoxiang Liu +23

Large model inference optimization serves as a key foundation for supporting the scalable, low-cost, and highly stable operation of large model services. Centered on token-oriented…

cs.CL2026

HiMPO: Hindsight-Informed Memory Policy Optimization for Less-Entangled Credit in Long-Horizon Agents

Jiangze Yan, Yi Shen, Wenjing Zhang +5

Long-horizon agents rely on memory mechanisms to compress interaction history, but optimizing memory writing faces a distinct credit assignment challenge: a memory update may be re…

cs.AI2026

HEAL: Hindsight Entropy-Assisted Learning for Reasoning Distillation

Wenjing Zhang, Jiangze Yan, Jieyun Huang +7

Distilling reasoning capabilities from Large Reasoning Models (LRMs) into smaller models is typically constrained by the limitations of rejection sampling. Standard methods treat t…

cs.LG2025

Quantitative Analysis of Performance Drop in DeepSeek Model Quantization

Enbo Zhao, Yi Shen, Shuming Shi +7

Recently, there is a high demand for deploying DeepSeek-R1 and V3 locally, possibly because the official service often suffers from being busy and some organizations have data priv…

cs.LG2025

DAST: Difficulty-Adaptive Slow-Thinking for Large Reasoning Models

Yi Shen, Jian Zhang, Jieyun Huang +7

Recent advancements in slow thinking reasoning models have shown exceptional performance in complex reasoning tasks. However, these models often exhibit overthinking (generating re…