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20242026
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cs.CL2026

Expert Pyramid Tuning: Efficient Parameter Fine-Tuning for Expertise-Driven Task Allocation

Jia-Chen Zhang, Zhen-Wei Yan, Yu-Jie Xiong +1

Parameter-Efficient Fine-Tuning (PEFT) has become a dominant paradigm for deploying LLMs in multi-task scenarios due to its extreme parameter efficiency. While Mixture-of-Experts (…

cs.CL2025

Mixture of Routers

Jia-Chen Zhang, Yu-Jie Xiong, Xi-He Qiu +3

Supervised fine-tuning (SFT) is a milestone in aligning large language models with human instructions and adapting them to downstream tasks. In particular, Low-Rank Adaptation (LoR…

cs.CL2025

Understanding Before Reasoning: Enhancing Chain-of-Thought with Iterative Summarization Pre-Prompting

Dong-Hai Zhu, Yu-Jie Xiong, Jia-Chen Zhang +2

Chain-of-Thought (CoT) Prompting is a dominant paradigm in Large Language Models (LLMs) to enhance complex reasoning. It guides LLMs to present multi-step reasoning, rather than ge…

cs.CL2025

CausalDiffTab: Mixed-Type Causal-Aware Diffusion for Tabular Data Generation

Jia-Chen Zhang, Zheng Zhou, Yu-Jie Xiong +2

Training data has been proven to be one of the most critical components in training generative AI. However, obtaining high-quality data remains challenging, with data privacy issue…

cs.CL2025

Parameter-Efficient Fine-Tuning of Large Language Models via Deconvolution in Subspace

Jia-Chen Zhang, Yu-Jie Xiong, Chun-Ming Xia +2

Large language model (LLM) is considered a milestone towards achieving Artificial General Intelligence (AGI). With its advanced emergent capabilities, it adapt to a wide range of s…

cs.CL2024

LoRA : Multi-Scale Low-Rank Approximations for Fine-Tuning Large Language Models

Jia-Chen Zhang, Yu-Jie Xiong, He-Xi Qiu +2

Fine-tuning large language models (LLMs) with high parameter efficiency for downstream tasks has become a new paradigm. Low-Rank Adaptation (LoRA) significantly reduces the number…