collaborators

5 papers

cs.LG2026

DynamixSFT: Dynamic Mixture Optimization of Instruction Tuning Collections

Haebin Shin, Lei Ji, Xiao Liu +4

As numerous instruction-tuning datasets continue to emerge, dynamically balancing and optimizing their mixtures has become a critical challenge. To address this, we propose Dynamix…

cs.CL2025

EpiCoder: Encompassing Diversity and Complexity in Code Generation

Yaoxiang Wang, Haoling Li, Xin Zhang +10

Existing methods for code generation use code snippets as seed data, restricting the complexity and diversity of the synthesized data. In this paper, we introduce a novel feature t…

cs.AI2025

Enhancing Large Language Model Performance with Gradient-Based Parameter Selection

Haoling Li, Xin Zhang, Xiao Liu +4

Large language models (LLMs) have revolutionized lots of fields of research. Although it is well-known that fine-tuning is essential for enhancing the capabilities of LLMs, existin…

cs.CL2025

Sigma: Differential Rescaling of Query, Key and Value for Efficient Language Models

Zhenghao Lin, Zihao Tang, Xiao Liu +31

We introduce Sigma, an efficient large language model specialized for the system domain, empowered by a novel architecture including DiffQKV attention, and pre-trained on our metic…

cs.CL2025

Integrative Decoding: Improve Factuality via Implicit Self-consistency

Yi Cheng, Xiao Liang, Yeyun Gong +11

Self-consistency-based approaches, which involve repeatedly sampling multiple outputs and selecting the most consistent one as the final response, prove to be remarkably effective…