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A novel trust region method for solving linearly constrained nonlinear programs is presented. The proposed technique is amenable to a distributed implementation, as its salient ingredient is an alternating projected gradient sweep in place…

最优化与控制 · 数学 2015-08-04 Jean-Hubert Hours , Colin N. Jones

We introduce Pointer, a novel architecture that achieves linear $O(NK)$ complexity for long-range sequence modeling while maintaining superior performance without requiring pre-training. Unlike standard attention mechanisms that compute…

计算与语言 · 计算机科学 2025-08-05 Zixi Li

The model parameters of convolutional neural networks (CNNs) are determined by backpropagation (BP). In this work, we propose an interpretable feedforward (FF) design without any BP as a reference. The FF design adopts a data-centric…

计算机视觉与模式识别 · 计算机科学 2018-10-23 C. -C. Jay Kuo , Min Zhang , Siyang Li , Jiali Duan , Yueru Chen

Convolutional sparse coding (CSC) has been popularly used for the learning of shift-invariant dictionaries in image and signal processing. However, existing methods have limited scalability. In this paper, instead of convolving with a…

计算机视觉与模式识别 · 计算机科学 2018-06-08 Yaqing Wang , Quanming Yao , James T. Kwok , Lionel M. Ni

Large scale deep learning provides a tremendous opportunity to improve the quality of content recommendation systems by employing both wider and deeper models, but this comes at great infrastructural cost and carbon footprint in modern data…

机器学习 · 计算机科学 2020-10-22 Mao Ye , Dhruv Choudhary , Jiecao Yu , Ellie Wen , Zeliang Chen , Jiyan Yang , Jongsoo Park , Qiang Liu , Arun Kejariwal

Convolution neural networks (CNNs) have succeeded in compressive image sensing. However, due to the inductive bias of locality and weight sharing, the convolution operations demonstrate the intrinsic limitations in modeling the long-range…

图像与视频处理 · 电气工程与系统科学 2022-01-03 Dongjie Ye , Zhangkai Ni , Hanli Wang , Jian Zhang , Shiqi Wang , Sam Kwong

This paper proposes a learning-based approach to scene parsing inspired by the deep Recursive Context Propagation Network (RCPN). RCPN is a deep feed-forward neural network that utilizes the contextual information from the entire image,…

计算机视觉与模式识别 · 计算机科学 2015-04-01 Abhishek Sharma , Oncel Tuzel , David W. Jacobs

Unsupervised dependency parsing, which tries to discover linguistic dependency structures from unannotated data, is a very challenging task. Almost all previous work on this task focuses on learning generative models. In this paper, we…

计算与语言 · 计算机科学 2017-08-04 Jiong Cai , Yong Jiang , Kewei Tu

A novel class of derivative-free optimization algorithms is developed. The main idea is to utilize certain non-commutative maps in order to approximate the gradient of the objective function. Convergence properties of the novel algorithms…

最优化与控制 · 数学 2018-05-21 Jan Feiling , Amelie Zeller , Christian Ebenbauer

Model-free and data-driven prediction of tipping point transitions in nonlinear dynamical systems is a challenging and outstanding task in complex systems science. We propose a novel, fully data-driven machine learning algorithm based on…

机器学习 · 计算机科学 2023-12-12 Daniel Köglmayr , Christoph Räth

Transformer-based pre-trained models with millions of parameters require large storage. Recent approaches tackle this shortcoming by training adapters, but these approaches still require a relatively large number of parameters. In this…

计算与语言 · 计算机科学 2023-01-31 Chin-Lun Fu , Zih-Ching Chen , Yun-Ru Lee , Hung-yi Lee

Recent advances in neural forecasting have produced major improvements in accuracy for probabilistic demand prediction. In this work, we propose novel improvements to the current state of the art by incorporating changes inspired by recent…

机器学习 · 计算机科学 2022-01-28 Carson Eisenach , Yagna Patel , Dhruv Madeka

Transformer architectures, capable of capturing sequential dependencies in the history of user interactions, have become the dominant approach in sequential recommender systems. Despite their success, such models consider sequence elements…

Dependency parsing is an important NLP task. A popular approach for dependency parsing is structured perceptron. Still, graph-based dependency parsing has the time complexity of $O(n^3)$, and it suffers from slow training. To deal with this…

计算与语言 · 计算机科学 2017-03-03 Xu Sun , Shuming Ma

In dynamic decision-making scenarios across business and healthcare, leveraging sample trajectories from diverse populations can significantly enhance reinforcement learning (RL) performance for specific target populations, especially when…

机器学习 · 统计学 2025-04-15 Jinhang Chai , Elynn Chen , Jianqing Fan

Time series forecasting is essential for a wide range of real-world applications. Recent studies have shown the superiority of Transformer in dealing with such problems, especially long sequence time series input(LSTI) and long sequence…

机器学习 · 计算机科学 2022-02-15 Li Shen , Yangzhu Wang

In the fields of computer vision and robotics, accurate pixel-level correspondences are essential for enabling advanced tasks such as structure-from-motion and simultaneous localization and mapping. Recent correspondence pruning methods…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Wei Zhu , Yicheng Liu , Yuping He , Tangfei Liao , Kang Zheng , Xiaoqiu Xu , Tao Wang , Tong Lu

The introduction of pre-trained transformer-based contextualized word embeddings has led to considerable improvements in the accuracy of graph-based parsers for frameworks such as Universal Dependencies (UD). However, previous works differ…

计算与语言 · 计算机科学 2021-07-30 Stefan Grünewald , Annemarie Friedrich , Jonas Kuhn

Transfer learning aims to improve performance on a target task by leveraging information from related source tasks. We propose a nonparametric regression transfer learning framework that explicitly models heterogeneity in the source-target…

统计理论 · 数学 2026-03-19 Hélène Halconruy , Benjamin Bobbia , Paul Lejamtel

Conventional domain adaptation algorithms aim to achieve better generalization by aligning only the task-discriminative causal factors between a source and target domain. However, we find that retaining the spurious correlation between…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Sunandini Sanyal , Ashish Ramayee Asokan , Suvaansh Bhambri , Pradyumna YM , Akshay Kulkarni , Jogendra Nath Kundu , R Venkatesh Babu