activity
20242026
collaborators

7 papers

cs.AI2026

FinAcumen: Financial Multimodal Reasoning via Self-Evolving Experience Memory Harness

Pianran Guo, Pengcheng Zhou, Yucheng Jian +4

Financial multimodal reasoning requires agents to coordinate numerical computation, retrieval, visual interpretation, and temporal grounding across heterogeneous evidence sources.…

cs.CR2026

DASM: Domain-Aware Sharpness Minimization for Multi-Domain Voice Stream Steganalysis

Pengcheng Zhou, Pianran Guo, Shuhua Chen +3

The growing use of information hiding in network streaming media for covert communication poses a significant security threat, necessitating the development of robust detection tec…

cs.CR2026

You Told Me to Do It: Measuring Instructional Text-induced Private Data Leakage in LLM Agents

Ching-Yu Kao, Xinfeng Li, Shenyu Dai +4

High-privilege LLM agents that autonomously process external documentation are increasingly trusted to automate tasks by reading and executing project instructions, yet they are gr…

cs.CR2025

Provably Secure Retrieval-Augmented Generation

Pengcheng Zhou, Yinglun Feng, Zhongliang Yang

Although Retrieval-Augmented Generation (RAG) systems have been widely applied, the privacy and security risks they face, such as data leakage and data poisoning, have not been sys…

cs.AI2025

Why do AI agents communicate in human language?

Pengcheng Zhou, Yinglun Feng, Halimulati Julaiti +1

Large Language Models (LLMs) have become foundational to modern AI agent systems, enabling autonomous agents to reason and plan. In most existing systems, inter-agent communication…

cs.CR2025

Privacy-Aware RAG: Secure and Isolated Knowledge Retrieval

Pengcheng Zhou, Yinglun Feng, Zhongliang Yang

The widespread adoption of Retrieval-Augmented Generation (RAG) systems in real-world applications has heightened concerns about the confidentiality and integrity of their propriet…