中文
相关论文

相关论文: Exploring the Frontiers of Softmax: Provable Optim…

200 篇论文

Deep neural networks are widely used prediction algorithms whose performance often improves as the number of weights increases, leading to over-parametrization. We consider a two-layered neural network whose first layer is frozen while the…

机器学习 · 计算机科学 2023-04-10 Roman Worschech , Bernd Rosenow

Overparameterized fully-connected neural networks have been shown to behave like kernel models when trained with gradient descent, under mild conditions on the width, the learning rate, and the parameter initialization. In the limit of…

机器学习 · 计算机科学 2025-11-11 William St-Arnaud , Margarida Carvalho , Golnoosh Farnadi

Face recognition has witnessed significant progress due to the advances of deep convolutional neural networks (CNNs), the central task of which is how to improve the feature discrimination. To this end, several margin-based (\textit{e.g.},…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Xiaobo Wang , Shifeng Zhang , Shuo Wang , Tianyu Fu , Hailin Shi , Tao Mei

The rapid development of the Transformer-based Large Language Models (LLMs) in recent years has been closely linked to their ever-growing and already enormous sizes. Many LLMs contain hundreds of billions of parameters and require dedicated…

计算与语言 · 计算机科学 2025-02-26 Mahsa Salmani , Ilya Soloveychik

Recent studies have shown that diffusion language models achieve remarkable data efficiency under limited-data constraints, yet the underlying mechanisms remain unclear. In this work, we perform extensive ablation experiments to disentangle…

计算与语言 · 计算机科学 2025-10-07 Zitian Gao , Haoming Luo , Lynx Chen , Jason Klein Liu , Ran Tao , Joey Zhou , Bryan Dai

We present DMax, a new paradigm for efficient diffusion language models (dLLMs). It mitigates error accumulation in parallel decoding, enabling aggressive decoding parallelism while preserving generation quality. Unlike conventional masked…

机器学习 · 计算机科学 2026-05-18 Zigeng Chen , Gongfan Fang , Xinyin Ma , Ruonan Yu , Xinchao Wang

A remarkable recent discovery in machine learning has been that deep neural networks can achieve impressive performance (in terms of both lower training error and higher generalization capacity) in the regime where they are massively…

机器学习 · 计算机科学 2020-03-03 Thanh V. Nguyen , Raymond K. W. Wong , Chinmay Hegde

Deep learning has received considerable empirical successes in recent years. However, while many ad hoc tricks have been discovered by practitioners, until recently, there has been a lack of theoretical understanding for tricks invented in…

机器学习 · 计算机科学 2020-12-29 Cong Fang , Hanze Dong , Tong Zhang

Learning general representations of text is a fundamental problem for many natural language understanding (NLU) tasks. Previously, researchers have proposed to use language model pre-training and multi-task learning to learn robust…

计算与语言 · 计算机科学 2019-08-29 Zi-Yi Dou , Keyi Yu , Antonios Anastasopoulos

Understanding the reasons behind the exceptional success of transformers requires a better analysis of why attention layers are suitable for NLP tasks. In particular, such tasks require predictive models to capture contextual meaning which…

机器学习 · 统计学 2024-05-20 Simone Bombari , Marco Mondelli

We illustrate the detrimental effect, such as overconfident decisions, that exponential behavior can have in methods like classical LDA and logistic regression. We then show how polynomiality can remedy the situation. This, among others,…

机器学习 · 计算机科学 2022-03-25 Ziqi Wang , Marco Loog

The recent surge of generative AI has been fueled by the generative power of diffusion probabilistic models and the scalable capabilities of large language models. Despite their potential, it remains elusive whether diffusion language…

计算与语言 · 计算机科学 2025-02-25 Jiasheng Ye , Zaixiang Zheng , Yu Bao , Lihua Qian , Quanquan Gu

Speaker Recognition is a challenging task with essential applications such as authentication, automation, and security. The SincNet is a new deep learning based model which has produced promising results to tackle the mentioned task. To…

音频与语音处理 · 电气工程与系统科学 2019-10-15 João Antônio Chagas Nunes , David Macêdo , Cleber Zanchettin

Model Reprogramming (MR) is a resource-efficient framework that adapts large pre-trained models to new tasks with minimal additional parameters and data, offering a promising solution to the challenges of training large models for diverse…

机器学习 · 计算机科学 2025-06-03 Ming-Yu Chung , Jiashuo Fan , Hancheng Ye , Qinsi Wang , Wei-Chen Shen , Chia-Mu Yu , Pin-Yu Chen , Sy-Yen Kuo

The Softmax loss is one of the most widely employed surrogate objectives for classification and ranking tasks. To elucidate its theoretical properties, the Fenchel-Young framework situates it as a canonical instance within a broad family of…

机器学习 · 计算机科学 2026-02-02 Yuanhao Pu , Defu Lian , Enhong Chen

Despite their outstanding performance, large language models (LLMs) suffer notorious flaws related to their preference for simple, surface-level textual relations over full semantic complexity of the problem. This proposal investigates a…

计算与语言 · 计算机科学 2022-06-20 Michal Štefánik

Multilingualism in Large Language Models (LLMs) is an yet under-explored area. In this paper, we conduct an in-depth analysis of the multilingual capabilities of a family of a Large Language Model, examining its architecture, activation…

计算与语言 · 计算机科学 2024-04-23 Sunit Bhattacharya , Ondřej Bojar

One of the chronic problems of deep-learning models is shortcut learning. In a case where the majority of training data are dominated by a certain feature, neural networks prefer to learn such a feature even if the feature is not…

机器学习 · 计算机科学 2026-02-04 Jinwoo Lim , Suhyun Kim , Soo-Mook Moon

While deep learning is successful in a number of applications, it is not yet well understood theoretically. A satisfactory theoretical characterization of deep learning however, is beginning to emerge. It covers the following questions: 1)…

机器学习 · 计算机科学 2019-08-27 Tomaso Poggio , Andrzej Banburski , Qianli Liao

We consider optimizing two-layer neural networks in the mean-field regime where the learning dynamics of network weights can be approximated by the evolution in the space of probability measures over the weight parameters associated with…

机器学习 · 计算机科学 2022-10-19 Jingwei Zhang , Xunpeng Huang , Jincheng Yu