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We investigate the construction of latent spaces through self-supervised learning to support semantically meaningful operations. Analogous to operational amplifiers, these "operational latent spaces" (OpLaS) not only demonstrate semantic…

机器学习 · 计算机科学 2024-06-14 Scott H. Hawley , Austin R. Tackett

Decomposing knowledge into interchangeable pieces promises a generalization advantage when there are changes in distribution. A learning agent interacting with its environment is likely to be faced with situations requiring novel…

机器学习 · 计算机科学 2021-05-20 Kanika Madan , Nan Rosemary Ke , Anirudh Goyal , Bernhard Schölkopf , Yoshua Bengio

Error feedback (EF), also known as error compensation, is an immensely popular convergence stabilization mechanism in the context of distributed training of supervised machine learning models enhanced by the use of contractive communication…

机器学习 · 计算机科学 2021-06-10 Peter Richtárik , Igor Sokolov , Ilyas Fatkhullin

Ensemble learning remains a cornerstone of machine learning, with stacking used to integrate predictions from multiple base learners through a meta-model. However, deep stacking remains uncommon due to feature redundancy, complexity, and…

机器学习 · 计算机科学 2026-03-03 Çağatay Demirel

We analyze an online learning algorithm that adaptively combines outputs of two constituent algorithms (or the experts) running in parallel to model an unknown desired signal. This online learning algorithm is shown to achieve (and in some…

机器学习 · 计算机科学 2012-10-01 Mehmet A. Donmez , Sait Tunc , Suleyman S. Kozat

A new algorithm for solving large-scale convex optimization problems with a separable objective function is proposed. The basic idea is to combine three techniques: Lagrangian dual decomposition, excessive gap and smoothing. The main…

最优化与控制 · 数学 2011-12-01 Tran Dinh Quoc , Carlo Savorgnan , Moritz Diehl

Much of modern learning theory has been split between two regimes: the classical offline setting, where data arrive independently, and the online setting, where data arrive adversarially. While the former model is often both computationally…

机器学习 · 统计学 2022-06-01 Adam Block , Yuval Dagan , Noah Golowich , Alexander Rakhlin

Recently, there has been a surge in the use of generated data to enhance the performance of downstream models, largely due to the advancements in pre-trained language models. However, most prevailing methods trained generative and…

计算与语言 · 计算机科学 2023-09-26 Tong Wu , Hao Wang , Zhongshen Zeng , Wei Wang , Hai-Tao Zheng , Jiaxing Zhang

We build a theoretical framework for designing and understanding practical meta-learning methods that integrates sophisticated formalizations of task-similarity with the extensive literature on online convex optimization and sequential…

机器学习 · 计算机科学 2019-12-10 Mikhail Khodak , Maria-Florina Balcan , Ameet Talwalkar

We study reinforcement learning for partially observed Markov decision processes (POMDPs) with infinite observation and state spaces, which remains less investigated theoretically. To this end, we make the first attempt at bridging partial…

机器学习 · 计算机科学 2024-04-02 Qi Cai , Zhuoran Yang , Zhaoran Wang

We provide a control-theoretic perspective on optimal tensor algorithms for minimizing a convex function in a finite-dimensional Euclidean space. Given a function $\Phi: \mathbb{R}^d \rightarrow \mathbb{R}$ that is convex and twice…

最优化与控制 · 数学 2026-01-21 Tianyi Lin , Michael. I. Jordan

Retrieval-augmented generation (RAG) enhances large language models by grounding outputs in retrieved knowledge. However, existing RAG methods including graph- and hypergraph-based approaches treat retrieved evidence as an unordered set,…

计算与语言 · 计算机科学 2026-04-15 Keshu Wu , Chenchen Kuai , Zihao Li , Jiwan Jiang , Shiyu Shen , Shian Wang , Chan-Wei Hu , Zhengzhong Tu , Yang Zhou

Mixture-of-Experts models, now popular for scaling capacity at fixed inference speed, switch experts at nearly every token. Once a model outgrows available GPU memory, this churn can render optimizations like offloading and pre-fetching…

机器学习 · 计算机科学 2026-04-23 Zeyu Shen , Peter Henderson

Rotary Positional Encoding (RoPE) is widely used in modern large language models. However, when sequences are extended beyond the range seen during training, rotary phases can enter out-of-distribution regimes, leading to spurious…

机器学习 · 计算机科学 2026-05-12 Riccardo Ali , Alessio Borgi , Christopher Irwin , Mario Severino , Pietro Liò

Most edge AI focuses on prediction tasks on resource-limited edge devices while the training is done at server machines. However, retraining or customizing a model is required at edge devices as the model is becoming outdated due to…

机器学习 · 计算机科学 2021-06-29 Rei Ito , Mineto Tsukada , Hiroki Matsutani

A wide class of regularization problems in machine learning and statistics employ a regularization term which is obtained by composing a simple convex function \omega with a linear transformation. This setting includes Group Lasso methods,…

机器学习 · 计算机科学 2011-04-11 Andreas Argyriou , Charles A. Micchelli , Massimiliano Pontil , Lixin Shen , Yuesheng Xu

Symmetric bi-manual manipulation is an essential skill in on-orbit operations due to its potent load capacity. Previous works have applied compliant control to maintain the stability of manipulations. However, traditional methods have…

机器人学 · 计算机科学 2024-07-22 Yuxue Cao , Wenbo Zhao , Shengjie Wang , Xiang Zheng , Wenke Ma , Zhaolei Wang , Tao Zhang

Federated learning enables training on a massive number of edge devices. To improve flexibility and scalability, we propose a new asynchronous federated optimization algorithm. We prove that the proposed approach has near-linear convergence…

分布式、并行与集群计算 · 计算机科学 2020-12-08 Cong Xie , Sanmi Koyejo , Indranil Gupta

We introduce a robust, error-tolerant adaptive training algorithm for generalized learning paradigms in high-dimensional superposed quantum networks, or \emph{adaptive quantum networks}. The formalized procedure applies standard…

神经元与认知 · 定量生物学 2015-05-13 Christopher Altman , Romàn R. Zapatrin

In this paper, we introduce a unified framework for analyzing a large family of Q-learning algorithms, based on switching system perspectives and ODE-based stochastic approximation. We show that the nonlinear ODE models associated with…

最优化与控制 · 数学 2021-02-18 Donghwan Lee , Niao He