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相关论文: DPTDR: Deep Prompt Tuning for Dense Passage Retrie…

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Many discriminative natural language understanding (NLU) tasks have large label spaces. Learning such a process of large-space decision making is particularly challenging due to the lack of training instances per label and the difficulty of…

计算与语言 · 计算机科学 2023-10-31 Nan Xu , Fei Wang , Mingtao Dong , Muhao Chen

Dense retrieval systems have been widely used in various NLP applications. However, their vulnerabilities to potential attacks have been underexplored. This paper investigates a novel attack scenario where the attackers aim to mislead the…

计算与语言 · 计算机科学 2025-08-26 Quanyu Long , Yue Deng , LeiLei Gan , Wenya Wang , Sinno Jialin Pan

Visual Speech Recognition (VSR) aims to infer speech into text depending on lip movements alone. As it focuses on visual information to model the speech, its performance is inherently sensitive to personal lip appearances and movements, and…

计算与语言 · 计算机科学 2024-10-21 Minsu Kim , Hyung-Il Kim , Yong Man Ro

Prompt Tuning (PT) enables the adaptation of Pre-trained Large Language Models (PLMs) to downstream tasks by optimizing a small amount of soft virtual tokens, which are prepended to the input token embeddings. Recently, Decomposed Prompt…

计算与语言 · 计算机科学 2025-12-23 Pengwei Tang , Xiaolin Hu , Yong Liu

Current soft prompt methods yield limited performance when applied to small-sized models (fewer than a billion parameters). Deep prompt-tuning, which entails prepending parameters in each layer for enhanced efficacy, presents a solution for…

计算与语言 · 计算机科学 2024-04-02 Mingqi Li , Feng Luo

Fine-tuned pre-trained language models (PLMs) have achieved awesome performance on almost all NLP tasks. By using additional prompts to fine-tune PLMs, we can further stimulate the rich knowledge distributed in PLMs to better serve…

计算与语言 · 计算机科学 2021-09-16 Xu Han , Weilin Zhao , Ning Ding , Zhiyuan Liu , Maosong Sun

In the backdrop of increasing data requirements of Deep Neural Networks for object recognition that is growing more untenable by the day, we present Developmental PreTraining (DPT) as a possible solution. DPT is designed as a…

机器学习 · 计算机科学 2023-12-04 Niranjan Rajesh , Debayan Gupta

Effective exploration is a key challenge in reinforcement learning for large language models: discovering high-quality trajectories within a limited sampling budget from the vast natural language sequence space. Existing methods face…

机器学习 · 计算机科学 2026-02-17 Yiran Guo , Zhongjian Qiao , Yingqi Xie , Jie Liu , Dan Ye , Ruiqing Zhang , Shuang Qiu , Lijie Xu

Ranking has always been one of the top concerns in information retrieval research. For decades, lexical matching signal has dominated the ad-hoc retrieval process, but it also has inherent defects, such as the vocabulary mismatch problem.…

信息检索 · 计算机科学 2020-10-21 Jingtao Zhan , Jiaxin Mao , Yiqun Liu , Min Zhang , Shaoping Ma

Pre-trained point cloud models have found extensive applications in 3D understanding tasks like object classification and part segmentation. However, the prevailing strategy of full fine-tuning in downstream tasks leads to large per-task…

计算机视觉与模式识别 · 计算机科学 2023-07-26 Yaohua Zha , Jinpeng Wang , Tao Dai , Bin Chen , Zhi Wang , Shu-Tao Xia

The performance of Deep Neural Networks (DNNs) keeps elevating in recent years with increasing network depth and width. To enable DNNs on edge devices like mobile phones, researchers proposed several network compression methods including…

计算机视觉与模式识别 · 计算机科学 2020-01-27 Yuhui Xu , Yuxi Li , Shuai Zhang , Wei Wen , Botao Wang , Yingyong Qi , Yiran Chen , Weiyao Lin , Hongkai Xiong

Prompt tuning, in which a base pretrained model is adapted to each task via conditioning on learned prompt vectors, has emerged as a promising approach for efficiently adapting large language models to multiple downstream tasks. However,…

计算与语言 · 计算机科学 2023-03-07 Zhen Wang , Rameswar Panda , Leonid Karlinsky , Rogerio Feris , Huan Sun , Yoon Kim

Prompt tuning is a promising method to fine-tune a pre-trained language model without retraining its large-scale parameters. Instead, it attaches a soft prompt to the input text, whereby downstream tasks can be well adapted by merely…

计算与语言 · 计算机科学 2024-12-12 Pengxiang Lan , Enneng Yang , Yuting Liu , Guibing Guo , Jianzhe Zhao , Xingwei Wang

Passage retrieval and ranking is a key task in open-domain question answering and information retrieval. Current effective approaches mostly rely on pre-trained deep language model-based retrievers and rankers. These methods have been shown…

信息检索 · 计算机科学 2021-09-14 Shengyao Zhuang , Guido Zuccon

Supervised fine-tuning (SFT) has become a crucial step for aligning pretrained large language models (LLMs) using supervised datasets of input-output pairs. However, despite being supervised, SFT is inherently limited by its generative…

计算与语言 · 计算机科学 2025-07-25 Siqi Guo , Ilgee Hong , Vicente Balmaseda , Changlong Yu , Liang Qiu , Xin Liu , Haoming Jiang , Tuo Zhao , Tianbao Yang

Prompt tuning prepends a soft prompt to the input embeddings or hidden states and only optimizes the prompt to adapt pretrained models (PTMs) to downstream tasks. The previous work manually selects prompt layers which are far from optimal…

计算与语言 · 计算机科学 2023-11-01 Wei Zhu , Ming Tan

Large language models (LLMs) have shown remarkable abilities in diverse natural language processing (NLP) tasks. The LLMs generally undergo supervised fine-tuning (SFT) followed by preference alignment to be usable in downstream…

计算与语言 · 计算机科学 2024-06-27 Shiva Kumar Pentyala , Zhichao Wang , Bin Bi , Kiran Ramnath , Xiang-Bo Mao , Regunathan Radhakrishnan , Sitaram Asur , Na , Cheng

It has been demonstrated that the art of prompt tuning is highly effective in efficiently extracting knowledge from pretrained foundation models, encompassing pretrained language models (PLMs), vision pretrained models, and vision-language…

计算与语言 · 计算机科学 2023-05-30 Xianjun Yang , Wei Cheng , Xujiang Zhao , Wenchao Yu , Linda Petzold , Haifeng Chen

Prompt-tuning (PT) for large language models (LLMs) can facilitate the performance on various conventional NLP tasks with significantly fewer trainable parameters. However, our investigation reveals that PT provides limited improvement and…

计算与语言 · 计算机科学 2025-04-15 Sinan Fan , Liang Xie , Chen Shen , Ge Teng , Xiaosong Yuan , Xiaofeng Zhang , Chenxi Huang , Wenxiao Wang , Xiaofei He , Jieping Ye

Tree-based models are widely recognized for their interpretability and have proven effective in various application domains, particularly in high-stakes domains. However, learning decision trees (DTs) poses a significant challenge due to…

机器学习 · 计算机科学 2026-03-13 Sascha Marton