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In this paper, we propose a rotation-constrained compensation method to address the errors introduced by structured pruning of large language models (LLMs). LLMs are trained on massive datasets and accumulate rich semantic knowledge in…

计算与语言 · 计算机科学 2026-03-02 Shuichiro Haruta , Kazunori Matsumoto , Zhi Li , Yanan Wang , Mori Kurokawa

Reinforcement Learning with Verifiable Rewards (RLVR) is a central paradigm for turning large language models (LLMs) into reliable problem solvers, especially in logic-heavy domains. Despite its empirical success, it remains unclear whether…

机器学习 · 计算机科学 2026-01-27 Mingyuan Fan , Weiguang Han , Daixin Wang , Cen Chen , Zhiqiang Zhang , Jun Zhou

The ever-growing ecosystem of LLMs has posed a challenge in selecting the most appropriate pre-trained model to fine-tune amidst a sea of options. Given constrained resources, fine-tuning all models and making selections afterward is…

机器学习 · 计算机科学 2024-05-29 Haowei Lin , Baizhou Huang , Haotian Ye , Qinyu Chen , Zihao Wang , Sujian Li , Jianzhu Ma , Xiaojun Wan , James Zou , Yitao Liang

As Large Language Models (LLMs) continue to scale, post-training pruning has emerged as a promising approach to reduce computational costs while preserving performance. Existing methods such as SparseGPT and Wanda achieve high sparsity…

计算与语言 · 计算机科学 2026-01-15 Sai Varun Kodathala , Rakesh Vunnam

Generative Commonsense Reasoning (GCR) requires a model to reason about a situation using commonsense knowledge, while generating coherent sentences. Although the quality of the generated sentences is crucial, the diversity of the…

计算与语言 · 计算机科学 2024-09-30 Tianhui Zhang , Bei Peng , Danushka Bollegala

As large language models (LLMs) are increasingly adopted in safety-critical and regulated sectors, the retention of sensitive or prohibited knowledge introduces escalating risks, ranging from privacy leakage to regulatory non-compliance to…

机器学习 · 计算机科学 2025-12-19 Taozhao Chen , Linghan Huang , Kim-Kwang Raymond Choo , Huaming Chen

Large Language Models (LLMs) often generate inaccurate responses (hallucinations) when faced with questions beyond their knowledge scope. Retrieval-Augmented Generation (RAG) addresses this by leveraging external knowledge, but a critical…

信息检索 · 计算机科学 2025-09-10 Haoxiang Jin , Ronghan Li , Zixiang Lu , Qiguang Miao

Approaches for compressing large-language models using low-rank decomposition have made strides, particularly with the introduction of activation and loss-aware SVD, which improves the trade-off between decomposition rank and downstream…

机器学习 · 计算机科学 2025-12-17 Sidhant Sundrani , Francesco Tudisco , Pasquale Minervini

Recent advancements in LLM post-training, particularly through reinforcement learning and preference optimization, are key to boosting their reasoning capabilities. However, these methods often suffer from low sample efficiency and a…

机器学习 · 计算机科学 2026-05-08 Zichuan Liu , Jinyu Wang , Lei Song , Jiang Bian

Recent work on pruning large language models (LLMs) has shown that one can eliminate a large number of parameters without compromising performance, making pruning a promising strategy to reduce LLM model size. Existing LLM pruning…

机器学习 · 计算机科学 2024-10-16 Haiquan Lu , Yefan Zhou , Shiwei Liu , Zhangyang Wang , Michael W. Mahoney , Yaoqing Yang

Large Language Models have become the de facto approach to sequence-to-sequence text generation tasks, but for specialized tasks/domains, a pretrained LLM lacks specific capabilities to produce accurate or well-formatted responses.…

计算与语言 · 计算机科学 2024-03-20 Jiuhai Chen , Jonas Mueller

Reinforcement learning (RL) post-training has shown to improve reasoning in large language models (LLMs). However, there has been little exploration on the problem of data contamination in RL post-training, potentially undermining…

机器学习 · 计算机科学 2026-05-29 Minju Gwak , Minseo Kwak , Dongseok Lee , Guijin Son , Alan Ritter , Jaehyung Kim

Large Vision-Language Models (LVLMs) have made substantial progress by integrating pre-trained large language models (LLMs) and vision models through instruction tuning. Despite these advancements, LVLMs often exhibit the hallucination…

机器学习 · 计算机科学 2024-11-05 Yiyang Zhou , Zhiyuan Fan , Dongjie Cheng , Sihan Yang , Zhaorun Chen , Chenhang Cui , Xiyao Wang , Yun Li , Linjun Zhang , Huaxiu Yao

Post-training quantization (PTQ) has emerged as a prevailing technique for deploying large language models (LLMs) efficiently in terms of both memory and computation, across edge devices and server platforms. Existing PTQ methods primarily…

机器学习 · 计算机科学 2026-03-10 Yeonsik Park , Hyeonseong Kim , Seungkyu Choi

Low-rank adaptation (LoRA) has emerged as a powerful tool for parameter-efficient fine-tuning of large language models (LLMs). This paper studies LoRA under a federated learning setting, enabling collaborative fine-tuning across clients…

机器学习 · 统计学 2026-05-21 Shuaida He , Liwen Chen , Long Feng

Large language models (LLMs) and classical machine learning methods offer complementary strengths for predictive modeling, yet their fundamentally different representations and training paradigms hinder effective integration: LLMs rely on…

计算与语言 · 计算机科学 2026-04-21 Yunshuo Tian , Akayou Kitessa , Tanuja Chitnis , Yijun Zhao

The reasoning capabilities of large language models (LLMs) have advanced rapidly, particularly following the release of DeepSeek R1, which has inspired a surge of research into data quality and reinforcement learning (RL) algorithms.…

机器学习 · 计算机科学 2025-11-04 Jian Yao , Ran Cheng , Xingyu Wu , Jibin Wu , Kay Chen Tan

Continual learning (CL) aims to incrementally train a model on a sequence of tasks while retaining performance on prior ones. However, storing and replaying data is often infeasible due to privacy or security constraints and impractical for…

机器学习 · 计算机科学 2025-10-31 Ruilin Tong , Haodong Lu , Yuhang Liu , Dong Gong

We propose an approach for preventing unsafe or otherwise low-quality large language model (LLM) outputs by leveraging the stochasticity of LLMs, an approach we call Repeated Checking with Regeneration (RCR). In this system, LLM checkers…

人工智能 · 计算机科学 2025-09-30 Jake R. Watts , Joel Sokol

This paper introduces LLM-Streamline, a pioneer work on layer pruning for large language models (LLMs). It is based on the observation that different layers have varying impacts on hidden states, enabling the identification of less…

计算与语言 · 计算机科学 2025-01-28 Xiaodong Chen , Yuxuan Hu , Jing Zhang , Yanling Wang , Cuiping Li , Hong Chen