中文
相关论文

相关论文: Weight Updates as Activation Shifts: A Principled …

200 篇论文

Large language models (LLMs) have recently shown strong performance as zero-shot rankers, yet their effectiveness is highly sensitive to prompt formulation, particularly role-play instructions. Prior analyses suggest that role-related…

信息检索 · 计算机科学 2026-02-04 Yumeng Wang , Catherine Chen , Suzan Verberne

Transfer learning has become a popular task adaptation method in the era of foundation models. However, many foundation models require large storage and computing resources, which makes off-the-shelf deployment impractical. Post-training…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Jung Hwan Heo , Seyedarmin Azizi , Arash Fayyazi , Massoud Pedram

This paper introduces a novel Parameter-Efficient Fine-Tuning (PEFT) framework for multi-modal, multi-task transfer learning with pre-trained language models. PEFT techniques such as LoRA, BitFit and IA3 have demonstrated comparable…

机器学习 · 计算机科学 2023-12-15 Avelina Asada Hadji-Kyriacou , Ognjen Arandjelovic

Parameter-efficient fine-tuning (PEFT) that was initially developed for exploiting pre-trained large language models has recently emerged as an effective approach to perform transfer learning on computer vision tasks. However, the…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Chenyu Lian , Hong-Yu Zhou , Yizhou Yu , Liansheng Wang

Model steering, which involves intervening on hidden representations at inference time, has emerged as a lightweight alternative to finetuning for precisely controlling large language models. While steering efficacy has been widely studied,…

机器学习 · 计算机科学 2026-02-09 Navita Goyal , Hal Daumé

Parameter-efficient fine-tuning methods have emerged as a promising solution for adapting pre-trained models to various downstream tasks. While these methods perform well in single-task learning, extending them to multi-task learning…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Neeraj Gangwar , Anshuka Rangi , Rishabh Deshmukh , Holakou Rahmanian , Yesh Dattatreya , Nickvash Kani

Activation steering has emerged as a promising alternative for controlling language-model behavior at inference time by modifying intermediate representations while keeping model parameters frozen. However, large-scale evaluations such as…

计算与语言 · 计算机科学 2026-05-08 Zehao Jin , Ruixuan Deng , Junran Wang , Xinjie Shen , Chao Zhang

In the arena of language model fine-tuning, the traditional approaches, such as Domain-Adaptive Pretraining (DAPT) and Task-Adaptive Pretraining (TAPT), although effective, but computational intensive. This research introduces a novel…

计算与语言 · 计算机科学 2024-05-10 Keyu Chen , Yuan Pang , Zi Yang

Weight-only post-training quantization (PTQ) is crucial for efficient Large Language Model (LLM) deployment but suffers from accuracy degradation caused by weight and activation outliers. Existing mitigation strategies often face critical…

机器学习 · 计算机科学 2026-02-10 Xi Chen , Ming Li , Junxi Li , Changsheng Li , Peisong Wang , Lizhong Ding , Ye Yuan , Guoren Wang

The popularity of pre-trained large models has revolutionized downstream tasks across diverse fields, such as language, vision, and multi-modality. To minimize the adaption cost for downstream tasks, many Parameter-Efficient Fine-Tuning…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Yiwen Tang , Ray Zhang , Zoey Guo , Dong Wang , Zhigang Wang , Bin Zhao , Xuelong Li

Learning in artificial neural networks usually relies on continuous, externally driven weight updates, in which parameters are modified at every step in response to incoming data, error signals or reward feedback. In this setting, routine…

神经元与认知 · 定量生物学 2026-05-13 Arturo Tozzi

A general procedure for introducing parametric, learned, nonlinearity into activation functions is found to enhance the accuracy of representative neural networks without requiring significant additional computational resources. Examples…

机器学习 · 计算机科学 2025-05-14 David Yevick

Modern language models (LMs) have significantly advanced generative modeling in natural language processing (NLP). Despite their success, LMs often struggle with adaptation to new contexts in real-time applications. A promising approach to…

计算与语言 · 计算机科学 2025-02-11 Hieu Trung Nguyen , Bao Nguyen , Binh Nguyen , Viet Anh Nguyen

We derive a synaptic weight update rule for learning temporally precise spike train to spike train transformations in multilayer feedforward networks of spiking neurons. The framework, aimed at seamlessly generalizing error backpropagation…

神经与进化计算 · 计算机科学 2016-01-11 Arunava Banerjee

Standard fine-tuning of large pre-trained language models (PLMs) for downstream tasks requires updating hundreds of millions to billions of parameters, and storing a large copy of the PLM weights for every task resulting in increased cost…

计算与语言 · 计算机科学 2022-11-03 Yaqing Wang , Sahaj Agarwal , Subhabrata Mukherjee , Xiaodong Liu , Jing Gao , Ahmed Hassan Awadallah , Jianfeng Gao

Standard fine-tuning of large pre-trained language models (PLMs) for downstream tasks requires updating hundreds of millions to billions of parameters, and storing a large copy of the PLM weights for every task resulting in increased cost…

计算与语言 · 计算机科学 2022-11-07 Yaqing Wang , Sahaj Agarwal , Subhabrata Mukherjee , Xiaodong Liu , Jing Gao , Ahmed Hassan Awadallah , Jianfeng Gao

Post-training has become essential for adapting large language models (LLMs) to complex downstream behaviors, including instruction following, preference alignment, and multi-step reasoning. Reinforcement learning with verifiable rewards…

机器学习 · 计算机科学 2026-05-20 Chengqian Zhang , Wei Zhu , Kyumin Lee

Model merging combines multiple homologous models into one model, achieving convincing generalization without the necessity of additional training. A key challenge in this problem is resolving parameter redundancies and conflicts across…

计算与语言 · 计算机科学 2024-08-20 Fanshuang Kong , Richong Zhang , Ziqiao Wang

Federated Parameter-Efficient Fine-Tuning (Fed-PEFT) enables lightweight adaptation of large pre-trained models in federated learning settings by updating only a small subset of parameters. However, Fed-PEFT methods typically assume a fixed…

机器学习 · 计算机科学 2026-04-13 Feng Yu , Jia Hu , Geyong Min

We describe a novel family of models of multi- layer feedforward neural networks in which the activation functions are encoded via penalties in the training problem. Our approach is based on representing a non-decreasing activation function…

机器学习 · 计算机科学 2018-06-22 Armin Askari , Geoffrey Negiar , Rajiv Sambharya , Laurent El Ghaoui