collaborators

6 papers

cs.CL2026

TingIS: Real-time Risk Event Discovery from Noisy Customer Incidents at Enterprise Scale

Jun Wang, Ziyin Zhang, Rui Wang +2

Real-time detection and mitigation of technical anomalies are critical for large-scale cloud-native services, where even minutes of downtime can result in massive financial losses…

cs.LG2026

QuitoBench: A High-Quality Open Time Series Forecasting Benchmark

Siqiao Xue, Zhaoyang Zhu, Wei Zhang +7

Time series forecasting is critical across finance, healthcare, and cloud computing, yet progress is constrained by a fundamental bottleneck: the scarcity of large-scale, high-qual…

cs.CL2025

C2LLM Technical Report: A New Frontier in Code Retrieval via Adaptive Cross-Attention Pooling

Jin Qin, Zihan Liao, Ziyin Zhang +3

We present C2LLM - Contrastive Code Large Language Models, a family of code embedding models in both 0.5B and 7B sizes. Building upon Qwen-2.5-Coder backbones, C2LLM adopts a Pooli…

cs.CL2025

F2LLM Technical Report: Matching SOTA Embedding Performance with 6 Million Open-Source Data

Ziyin Zhang, Zihan Liao, Hang Yu +2

We introduce F2LLM - Foundation to Feature Large Language Models, a suite of state-of-the-art embedding models in three sizes: 0.6B, 1.7B, and 4B. Unlike previous top-ranking embed…

cs.CL2025

GALLa: Graph Aligned Large Language Models for Improved Source Code Understanding

Ziyin Zhang, Hang Yu, Shijie Li +3

Programming languages possess rich semantic information - such as data flow - that is represented by graphs and not available from the surface form of source code. Recent code lang…

cs.SE2025

Code Graph Model (CGM): A Graph-Integrated Large Language Model for Repository-Level Software Engineering Tasks

Hongyuan Tao, Ying Zhang, Zhenhao Tang +12

Recent advances in Large Language Models (LLMs) have shown promise in function-level code generation, yet repository-level software engineering tasks remain challenging. Current so…