activity
20242026
collaborators

11 papers

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.CL2026

F2LLM-v2: Inclusive, Performant, and Efficient Embeddings for a Multilingual World

Ziyin Zhang, Zihan Liao, Hang Yu +2

We present F2LLM-v2, a new family of general-purpose, multilingual embedding models in 8 distinct sizes ranging from 80M to 14B. Trained on a newly curated composite of 60 million…

cs.SE2026

SWE-Fuse: Empowering Software Agents via Issue-free Trajectory Learning and Entropy-aware RLVR Training

Xin-Cheng Wen, Binbin Chen, Haoxuan Lan +3

Large language models (LLMs) have transformed the software engineering landscape. Recently, numerous LLM-based agents have been developed to address real-world software issue fixin…

cs.AI2026

OpAgent: Operator Agent for Web Navigation

Yuyu Guo, Wenjie Yang, Siyuan Yang +12

To fulfill user instructions, autonomous web agents must contend with the inherent complexity and volatile nature of real-world websites. Conventional paradigms predominantly rely…

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.SE2025

CodeFuse-CR-Bench: A Comprehensiveness-aware Benchmark for End-to-End Code Review Evaluation in Python Projects

Hanyang Guo, Xunjin Zheng, Zihan Liao +4

Automated code review (CR) is a key application for Large Language Models (LLMs), but progress is hampered by a "reality gap": existing benchmarks evaluate models on isolated sub-t…

cs.SE2025

OpenDerisk: An Industrial Framework for AI-Driven SRE, with Design, Implementation, and Case Studies

Peng Di, Faqiang Chen, Xiao Bai +12

The escalating complexity of modern software imposes an unsustainable operational burden on Site Reliability Engineering (SRE) teams, demanding AI-driven automation that can emulat…

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

LAMDAS: LLM as an Implicit Classifier for Domain-specific Data Selection

Jian Wu, Hang Yu, Bingchang Liu +4

Adapting large language models (LLMs) to specific domains often faces a critical bottleneck: the scarcity of high-quality, human-curated data. While large volumes of unchecked data…

cs.LG2025

Every Sample Matters: Leveraging Mixture-of-Experts and High-Quality Data for Efficient and Accurate Code LLM

Codefuse, Ling Team, : +30

Recent advancements in code large language models (LLMs) have demonstrated remarkable capabilities in code generation and understanding. It is still challenging to build a code LLM…

cs.CL2024

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…