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相关论文: PAC-tuning:Fine-tuning Pretrained Language Models …

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Previous research on PAC-Bayes learning theory has focused extensively on establishing tight upper bounds for test errors. A recently proposed training procedure called PAC-Bayes training, updates the model toward minimizing these bounds.…

机器学习 · 统计学 2024-10-22 Xitong Zhang , Avrajit Ghosh , Guangliang Liu , Rongrong Wang

Fine-tuning pretrained language models (PLMs) on downstream tasks has become common practice in natural language processing. However, most of the PLMs are vulnerable, e.g., they are brittle under adversarial attacks or imbalanced data,…

计算与语言 · 计算机科学 2022-05-03 Shoujie Tong , Qingxiu Dong , Damai Dai , Yifan song , Tianyu Liu , Baobao Chang , Zhifang Sui

Effectively finetuning pretrained language models (PLMs) is critical for their success in downstream tasks. However, PLMs may have risks in overfitting the pretraining tasks and data, which usually have gap with the target downstream tasks.…

计算与语言 · 计算机科学 2022-03-24 Chuhan Wu , Fangzhao Wu , Tao Qi , Yongfeng Huang , Xing Xie

Parameter-efficient (PE) methods (like Prompts or Adapters) for adapting pre-trained language models (PLM) to downstream tasks have been popular recently. However, hindrances still prevent these methods from reaching their full potential.…

计算与语言 · 计算机科学 2024-05-31 Shih-Cheng Huang , Shih-Heng Wang , Min-Han Shih , Saurav Sahay , Hung-yi Lee

Recent studies have revealed the intriguing few-shot learning ability of pretrained language models (PLMs): They can quickly adapt to a new task when fine-tuned on a small amount of labeled data formulated as prompts, without requiring…

计算与语言 · 计算机科学 2023-05-15 Yu Meng , Martin Michalski , Jiaxin Huang , Yu Zhang , Tarek Abdelzaher , Jiawei Han

We study an approach to learning pruning masks by optimizing the expected loss of stochastic pruning masks, i.e., masks which zero out each weight independently with some weight-specific probability. We analyze the training dynamics of the…

机器学习 · 统计学 2021-10-25 Soufiane Hayou , Bobby He , Gintare Karolina Dziugaite

A wide range of NLP tasks benefit from the fine-tuning of pretrained language models (PLMs). However, a number of redundant parameters which contribute less to the downstream task are observed in a directly fine-tuned model. We consider the…

计算与语言 · 计算机科学 2022-10-26 Yupeng Zhang , Hongzhi Zhang , Sirui Wang , Wei Wu , Zhoujun Li

Large pre-trained language models (PLMs) have demonstrated strong performance on natural language understanding (NLU) tasks through fine-tuning. However, fine-tuned models still suffer from overconfident predictions, especially in…

计算与语言 · 计算机科学 2023-05-31 Guande He , Jianfei Chen , Jun Zhu

Prompts for pre-trained language models (PLMs) have shown remarkable performance by bridging the gap between pre-training tasks and various downstream tasks. Among these methods, prompt tuning, which freezes PLMs and only tunes soft…

计算与语言 · 计算机科学 2022-03-15 Yuxian Gu , Xu Han , Zhiyuan Liu , Minlie Huang

Pre-trained language models (PrLM) have to carefully manage input units when training on a very large text with a vocabulary consisting of millions of words. Previous works have shown that incorporating span-level information over…

计算与语言 · 计算机科学 2021-09-16 Rongzhou Bao , Zhuosheng Zhang , Hai Zhao

Pre-trained Language Models (PLMs) have achieved remarkable performance for various language understanding tasks in IR systems, which require the fine-tuning process based on labeled training data. For low-resource scenarios, prompt-based…

计算与语言 · 计算机科学 2022-04-04 Ziyun Xu , Chengyu Wang , Minghui Qiu , Fuli Luo , Runxin Xu , Songfang Huang , Jun Huang

Recent studies have revealed that the widely-used Pre-trained Language Models (PLMs) propagate societal biases from the large unmoderated pre-training corpora. Existing solutions require debiasing training processes and datasets for…

计算与语言 · 计算机科学 2023-07-25 Somayeh Ghanbarzadeh , Yan Huang , Hamid Palangi , Radames Cruz Moreno , Hamed Khanpour

Parameter-efficient tuning aims to distill knowledge for downstream tasks by optimizing a few introduced parameters while freezing the pretrained language models (PLMs). Continuous prompt tuning which prepends a few trainable vectors to the…

计算与语言 · 计算机科学 2022-04-14 Haoran Yang , Piji Li , Wai Lam

With the prevalence of pre-training-fine-tuning paradigm, how to efficiently adapt the pre-trained model to the downstream tasks has been an intriguing issue. Parameter-Efficient Fine-Tuning (PEFT) methods have been proposed for low-cost…

机器学习 · 计算机科学 2024-06-11 Weixi Song , Zuchao Li , Lefei Zhang , Hai Zhao , Bo Du

Parameter-Efficient Tuning (PETuning) methods have been deemed by many as the new paradigm for using pretrained language models (PLMs). By tuning just a fraction amount of parameters comparing to full model finetuning, PETuning methods…

计算与语言 · 计算机科学 2022-10-25 Guanzheng Chen , Fangyu Liu , Zaiqiao Meng , Shangsong Liang

Autonomous tuning of particle accelerators is an active and challenging field of research with the goal of enabling novel accelerator technologies cutting-edge high-impact applications, such as physics discovery, cancer research and…

计算与语言 · 计算机科学 2024-05-16 Jan Kaiser , Annika Eichler , Anne Lauscher

As a novel and effective fine-tuning paradigm based on large-scale pre-trained language models (PLMs), prompt-tuning aims to reduce the gap between downstream tasks and pre-training objectives. While prompt-tuning has yielded continuous…

计算与语言 · 计算机科学 2024-03-21 Jiangmeng Li , Fei Song , Yifan Jin , Wenwen Qiang , Changwen Zheng , Fuchun Sun , Hui Xiong

This paper presents a Pronunciation-Aware Contextualized (PAC) framework to address two key challenges in Large Language Model (LLM)-based Automatic Speech Recognition (ASR) systems: effective pronunciation modeling and robust homophone…

计算与语言 · 计算机科学 2025-09-17 Li Fu , Yu Xin , Sunlu Zeng , Lu Fan , Youzheng Wu , Xiaodong He

Fine-tuning over large pretrained language models (PLMs) has established many state-of-the-art results. Despite its superior performance, such fine-tuning can be unstable, resulting in significant variance in performance and potential risks…

计算与语言 · 计算机科学 2022-10-20 Chenghao Yang , Xuezhe Ma

The proliferation of open-sourced Large Language Models (LLMs) and diverse downstream tasks necessitates efficient model selection, given the impracticality of fine-tuning all candidates due to computational constraints. Despite the recent…

机器学习 · 计算机科学 2025-06-03 Xinyue Zeng , Haohui Wang , Junhong Lin , Jun Wu , Tyler Cody , Dawei Zhou
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