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The computational complexity of the self-attention mechanism in popular transformer architectures poses significant challenges for training and inference, and becomes the bottleneck for long inputs. Is it possible to significantly reduce…

机器学习 · 计算机科学 2024-10-16 Yingyu Liang , Zhizhou Sha , Zhenmei Shi , Zhao Song , Yufa Zhou

Gradient boosting is a prediction method that iteratively combines weak learners to produce a complex and accurate model. From an optimization point of view, the learning procedure of gradient boosting mimics a gradient descent on a…

机器学习 · 计算机科学 2022-11-30 Erwan Fouillen , Claire Boyer , Maxime Sangnier

Despite the success of deep learning in computer vision and natural language processing, Gradient Boosted Decision Tree (GBDT) is yet one of the most powerful tools for applications with tabular data such as e-commerce and FinTech. However,…

机器学习 · 计算机科学 2022-01-25 ZhenZhe Ying , Zhuoer Xu , Zhifeng Li , Weiqiang Wang , Changhua Meng

Multi-task learning (MTL) is a subfield of machine learning with important applications, but the multi-objective nature of optimization in MTL leads to difficulties in balancing training between tasks. The best MTL optimization methods…

机器学习 · 计算机科学 2021-09-20 Michael Crawshaw , Jana Košecká

Distributed and federated learning algorithms and techniques associated primarily with minimization problems. However, with the increase of minimax optimization and variational inequality problems in machine learning, the necessity of…

最优化与控制 · 数学 2024-06-04 Siqi Zhang , Sayantan Choudhury , Sebastian U Stich , Nicolas Loizou

Gradient aggregation has long been identified as a major bottleneck in today's large-scale distributed machine learning training systems. One promising solution to mitigate such bottlenecks is gradient compression, directly reducing…

机器学习 · 计算机科学 2024-10-30 Wenchen Han , Shay Vargaftik , Michael Mitzenmacher , Brad Karp , Ran Ben Basat

Multicriteria optimization problems occur in many real life applications, for example in cancer radiotherapy treatment and in particular in intensity modulated radiation therapy (IMRT). In this work we focus on optimization problems with…

最优化与控制 · 数学 2017-04-05 Esther Bonacker , Aviv Gibali , Karl-Heinz Küfer , and Philipp Süss

In machine learning, the goal of multi-task learning (MTL) is to optimize multiple objectives together. Recent works, for example, Multiple Gradient Descent Algorithm (MGDA) and its variants, show promising results with dynamically adjusted…

机器学习 · 计算机科学 2026-03-10 Xuxing Chen , Yun He , Jiayi Xu , Minhui Huang , Xiaoyi Liu , Boyang Liu , Fei Tian , Xiaohan Wei , Rong Jin , Sem Park , Bo Long , Xue Feng

Training deep learning models on limited data while maintaining generalization is one of the fundamental challenges in molecular property prediction. One effective solution is transferring knowledge extracted from abundant datasets to those…

机器学习 · 计算机科学 2024-09-26 Soorin Yim , Dae-Woong Jeong , Sung Moon Ko , Sumin Lee , Hyunseung Kim , Chanhui Lee , Sehui Han

The development of effective machine learning methodologies for enhancing the efficiency and accuracy of clinical systems is crucial. Despite significant research efforts, managing a plethora of diversified clinical tasks and adapting to…

计算与语言 · 计算机科学 2024-06-19 Yujiang Wu , Hongjian Song , Jiawen Zhang , Xumeng Wen , Shun Zheng , Jiang Bian

In recent research advancements within the community, large language models (LLMs) have sparked great interest in creating autonomous agents. However, current prompt-based agents often heavily rely on large-scale LLMs. Meanwhile, although…

计算与语言 · 计算机科学 2025-03-04 Xueyang Feng , Bo Lan , Quanyu Dai , Lei Wang , Jiakai Tang , Xu Chen , Zhenhua Dong , Ji-Rong Wen

Perception is a fundamental task in the field of computer vision, encompassing a diverse set of subtasks that can be systematically categorized into four distinct groups based on two dimensions: prediction type and instruction type.…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Wentao Xiang , Haoxian Tan , Cong Wei , Yujie Zhong , Dengjie Li , Yujiu Yang

Large language models (LLMs) have revolutionized various domains but still struggle with non-Latin scripts and low-resource languages. This paper addresses the critical challenge of improving multilingual performance without extensive…

计算与语言 · 计算机科学 2025-01-08 Somnath Kumar , Vaibhav Balloli , Mercy Ranjit , Kabir Ahuja , Sunayana Sitaram , Kalika Bali , Tanuja Ganu , Akshay Nambi

The curse of multilinguality phenomenon is a fundamental problem of multilingual Large Language Models (LLMs), where the competition between massive languages results in inferior performance. It mainly comes from limited capacity and…

计算与语言 · 计算机科学 2025-06-17 Chong Li , Yingzhuo Deng , Jiajun Zhang , Chengqing Zong

With the rapid development of natural language processing technology, large-scale language models (LLM) have achieved remarkable results in a variety of tasks. However, how to effectively train these huge models and improve their…

人工智能 · 计算机科学 2024-12-09 Jiajing Chen , Bingying Liu , Xiaoxuan Liao , Jia Gao , Hongye Zheng , Yue Li

Previous multilingual benchmarks focus primarily on simple understanding tasks, but for large language models(LLMs), we emphasize proficiency in instruction following, reasoning, long context understanding, code generation, and so on.…

计算与语言 · 计算机科学 2025-04-22 Xu Huang , Wenhao Zhu , Hanxu Hu , Conghui He , Lei Li , Shujian Huang , Fei Yuan

As powerful Large Language Models (LLMs) are now widely used for numerous practical applications, their safety is of critical importance. While alignment techniques have significantly improved overall safety, LLMs remain vulnerable to…

机器学习 · 计算机科学 2024-10-28 Samuel Jacob Chacko , Sajib Biswas , Chashi Mahiul Islam , Fatema Tabassum Liza , Xiuwen Liu

We develop multi-step gradient methods for network-constrained optimization of strongly convex functions with Lipschitz-continuous gradients. Given the topology of the underlying network and bounds on the Hessian of the objective function,…

最优化与控制 · 数学 2015-06-12 Euhanna Ghadimi , Iman Shames , Mikael Johansson

In this work we demonstrate the vulnerability of vision transformers (ViTs) to gradient-based inversion attacks. During this attack, the original data batch is reconstructed given model weights and the corresponding gradients. We introduce…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Ali Hatamizadeh , Hongxu Yin , Holger Roth , Wenqi Li , Jan Kautz , Daguang Xu , Pavlo Molchanov

Recent trends towards training ever-larger language models have substantially improved machine learning performance across linguistic tasks. However, the huge cost of training larger models can make tuning them prohibitively expensive,…

计算与语言 · 计算机科学 2022-09-13 Jared Lichtarge , Chris Alberti , Shankar Kumar