collaborators

6 papers

cs.IR2026

GR2 Technical Report

Yufei Li, Zaiwei Zhang, Mingfu Liang +67

Industrial recommendation systems serve billions of users through a multi-stage funnel -- retrieval, early-stage ranking, and re-ranking -- where the final re-ranking step dispropo…

cs.AI2026

Beyond Similarity: Trustworthy Memory Search for Personal AI Agents

Jiawen Zhang, Kejia Chen, Jiachen Ma +7

Personal AI agents increasingly rely on long-term memory to provide persistent personalization across sessions. However, existing memory pipelines are largely driven by semantic si…

cs.CR2026

When Search Goes Wrong: Red-Teaming Web-Augmented Large Language Models

Haoran Ou, Kangjie Chen, Xingshuo Han +4

Large Language Models (LLMs) have been augmented with web search to overcome the limitations of the static knowledge boundary by accessing up-to-date information from the open Inte…

cs.LG2026

SpecForge: A Flexible and Efficient Open-Source Training Framework for Speculative Decoding

Shenggui Li, Chao Wang, Yikai Zhu +14

Large language models incur high inference latency due to sequential autoregressive decoding. Speculative decoding alleviates this bottleneck by using a lightweight draft model to…

cs.SE2025

Impact-driven Context Filtering For Cross-file Code Completion

Yanzhou Li, Shangqing Liu, Kangjie Chen +2

Retrieval-augmented generation (RAG) has recently demonstrated considerable potential for repository-level code completion, as it integrates cross-file knowledge with in-file prece…

cs.CR2025

Towards Action Hijacking of Large Language Model-based Agent

Yuyang Zhang, Kangjie Chen, Jiaxin Gao +4

Recently, applications powered by Large Language Models (LLMs) have made significant strides in tackling complex tasks. By harnessing the advanced reasoning capabilities and extens…