中文
相关论文

相关论文: Accelerating Personalized PageRank Vector Computat…

200 篇论文

Support Vector Machine (SVM) is an effective model for many classification problems. However, SVM needs the solution of a quadratic program which require specialized code. In addition, SVM has many parameters, which affects the performance…

机器学习 · 计算机科学 2015-01-06 M. H. Marghny , Rasha M. Abd ElAziz , Ahmed I. Taloba

Local search plays a central role in many effective heuristic algorithms for the vehicle routing problem (VRP) and its variants. However, neighborhood exploration is known to be computationally expensive and time consuming, especially for…

分布式、并行与集群计算 · 计算机科学 2026-01-30 Zhenyu Lei , Jin-Kao Hao , Qinghua Wu

We present faster algorithms for approximate maximum flow in undirected graphs with good separator structures, such as bounded genus, minor free, and geometric graphs. Given such a graph with $n$ vertices, $m$ edges along with a recursive…

数据结构与算法 · 计算机科学 2012-10-19 Gary Miller , Richard Peng

This paper studies the prediction task of tensor-on-tensor regression in which both covariates and responses are multi-dimensional arrays (a.k.a., tensors) across time with arbitrary tensor order and data dimension. Existing methods either…

机器学习 · 统计学 2024-12-23 Guanhao Zhou , Yuefeng Han , Xiufan Yu

A novel method which is called the Chebyshev inertial iteration for accelerating the convergence speed of fixed-point iterations is presented. The Chebyshev inertial iteration can be regarded as a valiant of the successive over relaxation…

最优化与控制 · 数学 2021-06-09 Tadashi Wadayama , Satoshi Takabe

The federated recommendation system is an emerging AI service architecture that provides recommendation services in a privacy-preserving manner. Using user-relation graphs to enhance federated recommendations is a promising topic. However,…

信息检索 · 计算机科学 2024-06-19 Chunxu Zhang , Guodong Long , Tianyi Zhou , Zijjian Zhang , Peng Yan , Bo Yang

Node embedding learns low-dimensional vectors for nodes in the graph. Recent state-of-the-art embedding approaches take Personalized PageRank (PPR) as the proximity measure and factorize the PPR matrix or its adaptation to generate…

机器学习 · 计算机科学 2024-05-31 Xingyi Zhang , Zixuan Weng , Sibo Wang

PageRank (PR) is a fundamental tool for assessing the relative importance of the nodes in a network. In this paper, we propose a measure, weighted PageRank (WPR), extended from the classical PR for weighted, directed networks with possible…

物理与社会 · 物理学 2021-05-18 Panpan Zhang , Tiandong Wang , Jun Yan

Graph neural networks (GNNs) have been widely adopted for semi-supervised learning on graphs. A recent study shows that the graph random neural network (GRAND) model can generate state-of-the-art performance for this problem. However, it is…

机器学习 · 计算机科学 2022-03-15 Wenzheng Feng , Yuxiao Dong , Tinglin Huang , Ziqi Yin , Xu Cheng , Evgeny Kharlamov , Jie Tang

The surge in availability of genomic data holds promise for enabling determination of genetic causes of observed individual traits, with applications to problems such as discovery of the genetic roots of phenotypes, be they molecular…

分布式、并行与集群计算 · 计算机科学 2018-04-23 Wayne Joubert , James Nance , Deborah Weighill , Daniel Jacobson

Graphs are crucial for modeling relational and biological data. As datasets grow larger in real-world scenarios, the risk of exposing sensitive information increases, making privacy-preserving training methods like federated learning (FL)…

机器学习 · 计算机科学 2025-01-24 Emir Ceyani , Han Xie , Baturalp Buyukates , Carl Yang , Salman Avestimehr

Vehicle speed prediction is crucial for intelligent transportation systems, promoting more reliable autonomous driving by accurately predicting future vehicle conditions. Due to variations in drivers' driving styles and vehicle types, speed…

人工智能 · 计算机科学 2024-12-03 Yuepeng He , Pengzhan Zhou , Yijun Zhai , Fang Qu , Zhida Qin , Mingyan Li , Songtao Guo

We consider the question of speeding up classic graph algorithms with machine-learned predictions. In this model, algorithms are furnished with extra advice learned from past or similar instances. Given the additional information, we aim to…

数据结构与算法 · 计算机科学 2022-04-27 Justin Y. Chen , Sandeep Silwal , Ali Vakilian , Fred Zhang

In this paper, we provide faster algorithms for computing various fundamental quantities associated with random walks on a directed graph, including the stationary distribution, personalized PageRank vectors, hitting times, and escape…

数据结构与算法 · 计算机科学 2016-11-03 Michael B. Cohen , Jon Kelner , John Peebles , Richard Peng , Aaron Sidford , Adrian Vladu

Graph Convolutional Networks (GCNs) are widely used in many applications yet still need large amounts of labelled data for training. Besides, the adjacency matrix of GCNs is stable, which makes the data processing strategy cannot…

机器学习 · 计算机科学 2021-12-24 Feng Sun , Ajith Kumar , Guanci Yang , Qikui Zhu , Yiyun Zhang , Ansi Zhang , Dhruv Makwana

Reinforcement learning has gained wide popularity as a technique for simulation-driven approximate dynamic programming. A less known aspect is that the very reasons that make it effective in dynamic programming can also be leveraged for…

机器学习 · 计算机科学 2013-11-13 Vivek S. Borkar , Adwaitvedant S. Mathkar

Graph Neural Networks (GNNs) have achieved tremendous success in a variety of real-world applications by relying on the fixed graph data as input. However, the initial input graph might not be optimal in terms of specific downstream tasks,…

机器学习 · 计算机科学 2023-09-22 Beidi Zhao , Boxin Du , Zhe Xu , Liangyue Li , Hanghang Tong

The recent trend towards Personalized Federated Learning (PFL) has garnered significant attention as it allows for the training of models that are tailored to each client while maintaining data privacy. However, current PFL techniques…

机器学习 · 计算机科学 2023-05-03 Yue Wu , Shuaicheng Zhang , Wenchao Yu , Yanchi Liu , Quanquan Gu , Dawei Zhou , Haifeng Chen , Wei Cheng

Compared with traditional relational database, graph database, GDB, is a natural expression of most real-world systems. Each node in the GDB is not only a storage unit, but also a logic operation unit to implement local computation in…

分布式、并行与集群计算 · 计算机科学 2018-09-06 Chen Yuan , Yi Lu , Kewen Liu , Guangyi Liu , Renchang Dai , Zhiwei Wang

Low-tubal-rank tensor approximation has been proposed to analyze large-scale and multi-dimensional data. However, finding such an accurate approximation is challenging in the streaming setting, due to the limited computational resources. To…

机器学习 · 计算机科学 2021-08-24 Qianxin Yi , Chenhao Wang , Kaidong Wang , Yao Wang