activity
20242026
collaborators

10 papers

cs.LG2026

Quantifying Event Impacts on Time Series via Multiscale Contrastive Learning

Yiming Sun, Shengyu Chen, Zhengzhang Chen +3

Shocks that spread through the web, such as cybersecurity breach disclosures, can abruptly disrupt financial time series and cause substantial abnormal losses. While these events a…

cs.IR2026

HARP: Hierarchical Adaptive Ranking with Preference-Adaptive Fusion for Query-Based CVE Prioritization

Haochen Liu, Zhengzhang Chen, Haoyu Wang +3

Vulnerability prioritization is inherently preference dependent, since the same CVE can receive different remediation priority under different operational preference scenarios. Exi…

cs.LG2026

The Power of Order: Fooling LLMs with Adversarial Table Permutations

Xinshuai Dong, Haifeng Chen, Xuyuan Liu +5

Large Language Models have achieved remarkable success and are increasingly deployed in critical applications involving tabular data, such as Table Question Answering. However, the…

cs.CL2026

Mind the Gap in Cultural Alignment: Task-Aware Culture Management for Large Language Models

Binchi Zhang, Xujiang Zhao, Jundong Li +2

Large language models (LLMs) are increasingly deployed in culturally sensitive real-world tasks. However, existing cultural alignment approaches fail to align LLMs' broad cultural…

cs.LG2025

Online Multi-modal Root Cause Identification in Microservice Systems

Lecheng Zheng, Zhengzhang Chen, Haifeng Chen

Root Cause Analysis (RCA) is essential for pinpointing the root causes of failures in microservice systems. Traditional data-driven RCA methods are typically limited to offline app…

cs.LG2025

Exploring Multi-Modal Data with Tool-Augmented LLM Agents for Precise Causal Discovery

ChengAo Shen, Zhengzhang Chen, Dongsheng Luo +3

Causal discovery is an imperative foundation for decision-making across domains, such as smart health, AI for drug discovery and AIOps. Traditional statistical causal discovery met…