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The iterations of many first-order algorithms, when applied to minimizing common regularized regression functions, often resemble neural network layers with pre-specified weights. This observation has prompted the development of…

机器学习 · 计算机科学 2017-08-03 Hao He , Bo Xin , David Wipf

Sparsity is a desirable attribute. It can lead to more efficient and more effective representations compared to the dense model. Meanwhile, learning sparse latent representations has been a challenging problem in the field of computer…

计算机视觉与模式识别 · 计算机科学 2022-09-22 Hanao Li , Tian Han

We introduce Graph Memory (GM), a structured non-parametric framework that represents an embedding space through a compact graph of reliability-annotated prototype regions. GM encodes local geometry and regional ambiguity through prototype…

机器学习 · 计算机科学 2026-03-27 Artur A. Oliveira , Mateus Espadoto , Roberto M. Cesar , Roberto Hirata

Classification with a sparsity constraint on the solution plays a central role in many high dimensional machine learning applications. In some cases, the features can be grouped together so that entire subsets of features can be selected or…

机器学习 · 计算机科学 2014-09-05 Nikhil Rao , Robert Nowak , Christopher Cox , Timothy Rogers

Representation learning models for graphs are a successful family of techniques that project nodes into feature spaces that can be exploited by other machine learning algorithms. Since many real-world networks are inherently dynamic, with…

机器学习 · 计算机科学 2020-06-26 Simone Piaggesi , André Panisson

Modern generative pre-trained language models excel at open-ended text generation, yet continue to underperform on structure-related tasks such as NER, relation extraction, and semantic role labeling, especially when compared to…

计算与语言 · 计算机科学 2025-12-23 Minho Lee , Junghyun Min , Yerang Kim , Woochul Lee , Yeonsoo Lee

We propose Bayesian methods for Gaussian graphical models that lead to sparse and adaptively shrunk estimators of the precision (inverse covariance) matrix. Our methods are based on lasso-type regularization priors leading to parsimonious…

统计方法学 · 统计学 2013-10-07 Rajesh Talluri , Veerabhadran Baladandayuthapani , Bani K. Mallick

Multimodal knowledge graph completion (MKGC) aims to predict missing entities in MKGs. Previous works usually share relation representation across modalities. This results in mutual interference between modalities during training, since for…

计算与语言 · 计算机科学 2022-11-02 Yu Zhao , Xiangrui Cai , Yike Wu , Haiwei Zhang , Ying Zhang , Guoqing Zhao , Ning Jiang

In dynamical systems characterized by separation of time scales, the approximation of so called ``slow manifolds'', on which the long term dynamics lie, is a useful step for model reduction. Initializing on such slow manifolds is a useful…

Low-rank approximation models of data matrices have become important machine learning and data mining tools in many fields including computer vision, text mining, bioinformatics and many others. They allow for embedding high-dimensional…

机器学习 · 计算机科学 2020-10-19 Penglong Zhai , Shihua Zhang

To reduce the long training time of large deep neural network (DNN) models, distributed synchronous stochastic gradient descent (S-SGD) is commonly used on a cluster of workers. However, the speedup brought by multiple workers is limited by…

机器学习 · 计算机科学 2020-03-03 Shaohuai Shi , Zhenheng Tang , Qiang Wang , Kaiyong Zhao , Xiaowen Chu

Dependable service-oriented computing relies on multiple Quality of Service (QoS) parameters that are essential to assess service optimality. However, real-world QoS data are extremely sparse, noisy, and shaped by hierarchical dependencies…

机器学习 · 计算机科学 2025-12-22 Suraj Kumar , Arvind Kumar , Soumi Chattopadhyay

Pre-training large language models (LLMs) increasingly requires distributed compute, yet bandwidth constraints make it difficult to scale beyond well-provisioned datacenters-especially when model parallelism forces frequent, large…

机器学习 · 计算机科学 2026-01-06 Yazan Obeidi , Amir Sarfi , Joel Lidin , Paul Janson , Eugene Belilovsky

Graphical Lasso (GL) is a popular method for learning the structure of an undirected graphical model, which is based on an $l_1$ regularization technique. The objective of this paper is to compare the computationally-heavy GL technique with…

机器学习 · 统计学 2019-07-02 Salar Fattahi , Somayeh Sojoudi

Probabilistic Graphical Models (PGMs) are generative models of complex systems. They rely on conditional independence assumptions between variables to learn sparse representations which can be visualized in a form of a graph. Such models…

机器学习 · 计算机科学 2022-10-13 Harsh Shrivastava , Urszula Chajewska , Robin Abraham , Xinshi Chen

Continual learning aims to avoid catastrophic forgetting and effectively leverage learned experiences to master new knowledge. Existing gradient projection approaches impose hard constraints on the optimization space for new tasks to…

机器学习 · 计算机科学 2023-01-31 Zeyuan Yang , Zonghan Yang , Peng Li , Yang Liu

The formation trajectory planning using complete graphs to model collaborative constraints becomes computationally intractable as the number of drones increases due to the curse of dimensionality. To tackle this issue, this paper presents a…

机器人学 · 计算机科学 2024-03-27 Yuan Zhou , Lun Quan , Chao Xu , Guangtong Xu , Fei Gao

To operate effectively in the real world, agents should be able to act from high-dimensional raw sensory input such as images and achieve diverse goals across long time-horizons. Current deep reinforcement and imitation learning methods can…

机器学习 · 计算机科学 2020-11-16 Scott Emmons , Ajay Jain , Michael Laskin , Thanard Kurutach , Pieter Abbeel , Deepak Pathak

3D Gaussian Splatting (3DGS) has emerged as promising alternative in 3D representation. However, it still suffers from high training cost. This paper introduces LiteGS, a high performance framework that systematically optimizes the 3DGS…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Kaimin Liao , Hua Wang , Zhi Chen , Luchao Wang , Yaohua Tang

Multimodal large language models (MLLMs) enable powerful cross-modal reasoning capabilities but impose substantial computational and latency burdens, posing critical challenges for deployment on resource-constrained edge devices. In this…

分布式、并行与集群计算 · 计算机科学 2026-04-06 Zheming Yang , Qi Guo , Jun Wan , Jiarui Ruan , Yunqing Hu , Chang Zhao , Xiangyang Li