collaborators

6 papers

cs.AI2026

Nanbeige4.1-3B: A Small General Model that Reasons, Aligns, and Acts

Chen Yang, Guangyue Peng, Jiaying Zhu +12

We present Nanbeige4.1-3B, a unified generalist language model that simultaneously achieves strong agentic behavior, code generation, and general reasoning with only 3B parameters.…

cs.CL2026

PACE: Prefix-Protected and Difficulty-Aware Compression for Efficient Reasoning

Ruixiang Feng, Yuntao Wen, Silin Zhou +14

Language Reasoning Models (LRMs) achieve strong performance by scaling test-time computation but often suffer from ``overthinking'', producing excessively long reasoning traces tha…

cs.IR2025

TOOL4POI: A Tool-Augmented LLM Framework for Next POI Recommendation

Dongsheng Wang, Shen Gao, Chengrui Huang +3

Next Point-of-Interest (POI) recommendation is a fundamental task in location-based services. While recent advances leverage Large Language Model (LLM) for sequential modeling, exi…

cs.CL2025

Nanbeige4-3B Technical Report: Exploring the Frontier of Small Language Models

Chen Yang, Guangyue Peng, Jiaying Zhu +16

We present Nanbeige4-3B, a family of small-scale but high-performing language models. Pretrained on 23T high-quality tokens and finetuned on over 30 million diverse instructions, w…

cs.LG2025

CoSineVerifier: Tool-Augmented Answer Verification for Computation-Oriented Scientific Questions

Ruixiang Feng, Zhenwei An, Yuntao Wen +9

Answer verification methods are widely employed in language model training pipelines spanning data curation, evaluation, and reinforcement learning with verifiable rewards (RLVR).…

cs.CL2025

CulFiT: A Fine-grained Cultural-aware LLM Training Paradigm via Multilingual Critique Data Synthesis

Ruixiang Feng, Shen Gao, Xiuying Chen +2

Large Language Models (LLMs) have demonstrated remarkable capabilities across various tasks, yet they often exhibit a specific cultural biases, neglecting the values and linguistic…