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Cell outage compensation enables a network to react to a catastrophic cell failure quickly and serve users in the outage zone uninterruptedly. Utilizing the promising benefits of non-orthogonal multiple access (NOMA) for improving the…

信号处理 · 电气工程与系统科学 2022-04-11 Elaheh Vaezpour , Layla Majzoobi , Mohammad Akbari , Saeedeh Parsaeefard , Halim Yanikomeroglu

Anomaly detection on attributed networks is widely used in online shopping, financial transactions, communication networks, and so on. However, most existing works trying to detect anomalies on attributed networks only consider a single…

社会与信息网络 · 计算机科学 2023-03-28 Ling-Hao Chen , He Li , Wanyuan Zhang , Jianbin Huang , Xiaoke Ma , Jiangtao Cui , Ning Li , Jaesoo Yoo

Attributed networks are ubiquitous since a network often comes with auxiliary attribute information e.g. a social network with user profiles. Attributed Network Embedding (ANE) has recently attracted considerable attention, which aims to…

社会与信息网络 · 计算机科学 2019-06-07 Chengbin Hou , Shan He , Ke Tang

Most recent network failure diagnosis systems focused on data center networks where complex measurement systems can be deployed to derive routing information and ensure network coverage in order to achieve accurate and fast fault…

网络与互联网体系结构 · 计算机科学 2022-07-06 Yufeng Xin , Shih-Wen Fu , Anirban Mandal , Ryan Tanaka , Mats Rynge , Karan Vahi , Ewa Deelman

A Bayesian approach to conduct network model selection is presented for a general class of network models referred to as the congruence class models (CCMs). CCMs form a broad class that includes as special cases several common network…

应用统计 · 统计学 2020-01-22 Ravi Goyal , Victor De Gruttola

Feedforward neural networks (FNNs) can be viewed as non-linear regression models, where covariates enter the model through a combination of weighted summations and non-linear functions. Although these models have some similarities to the…

统计方法学 · 统计学 2024-05-02 Andrew McInerney , Kevin Burke

We study mechanisms to characterize how the asymptotic convergence of backpropagation in deep architectures, in general, is related to the network structure, and how it may be influenced by other design choices including activation type,…

机器学习 · 计算机科学 2017-03-02 Vamsi K Ithapu , Sathya N Ravi , Vikas Singh

Missing data can lead to inefficiencies and biases in analyses, in particular when data are missing not at random (MNAR). It is thus vital to understand and correctly identify the missing data mechanism. Recovering missing values through a…

统计方法学 · 统计学 2022-12-08 Jack Noonan , Adetola Adedamola Adediran , Robin Mitra , Stefanie Biedermann

We present a causal view on the robustness of neural networks against input manipulations, which applies not only to traditional classification tasks but also to general measurement data. Based on this view, we design a deep causal…

机器学习 · 计算机科学 2021-02-11 Cheng Zhang , Kun Zhang , Yingzhen Li

This paper presents a robust matrix elastic net based canonical correlation analysis (RMEN-CCA) for multiple view unsupervised learning problems, which emphasizes the combination of CCA and the robust matrix elastic net (RMEN) used as…

机器学习 · 计算机科学 2017-11-16 Peng-Bo Zhang , Zhi-Xin Yang

Sustainable research on computational models of neuronal networks requires published models to be understandable, reproducible, and extendable. Missing details or ambiguities about mathematical concepts and assumptions, algorithmic…

Motivated by the analysis of nonnegative data objects, a novel Nested Nonnegative Cone Analysis (NNCA) approach is proposed to overcome some drawbacks of existing methods. The application of traditional PCA/SVD method to nonnegative data…

统计方法学 · 统计学 2013-09-09 Lingsong Zhang , J. S. Marron , Shu Lu

Visual Question Answering (VQA) models have achieved significant success in recent times. Despite the success of VQA models, they are mostly black-box models providing no reasoning about the predicted answer, thus raising questions for…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Nihar Bendre , Kevin Desai , Peyman Najafirad

Estimating the effects of interventions in networks is complicated when the units are interacting, such that the outcomes for one unit may depend on the treatment assignment and behavior of many or all other units (i.e., there is…

统计方法学 · 统计学 2014-08-15 Dean Eckles , Brian Karrer , Johan Ugander

The performance of convolutional neural networks (CNNs) can be improved by adjusting the interrelationship between channels with attention mechanism. However, attention mechanism in recent advance has not fully utilized spatial information…

计算机视觉与模式识别 · 计算机科学 2020-10-13 YuTao Shen , Ying Wen

Marginal structural models (MSMs) are commonly used to estimate causal intervention effects in longitudinal non-randomised studies. A common issue when analysing data from observational studies is the presence of incomplete confounder data,…

统计方法学 · 统计学 2019-12-02 Clemence Leyrat , James R Carpenter , Sebastien Bailly , Elizabeth J Willamson

We study the problem of modeling multiple symmetric, weighted networks defined on a common set of nodes, where networks arise from different groups or conditions. We propose a model in which each network is expressed as the sum of a shared…

统计理论 · 数学 2025-06-23 Hao Yan , Keith Levin

Network Medicine has improved the mechanistic understanding of disease, offering quantitative insights into disease mechanisms, comorbidities, and novel diagnostic tools and therapeutic treatments. Yet, most network-based approaches rely on…

分子网络 · 定量生物学 2022-11-29 Deisy Morselli Gysi , Albert-Laszlo Barabasi

A principled approach to understand network structures is to formulate generative models. Given a collection of models, however, an outstanding key task is to determine which one provides a more accurate description of the network at hand,…

机器学习 · 统计学 2018-06-29 Toni Vallès-Català , Tiago P. Peixoto , Roger Guimerà , Marta Sales-Pardo

This work presents an adaptive activation method for neural networks that exploits the interdependency of features. Each pixel, node, and layer is assigned with a polynomial activation function, whose coefficients are provided by an…

计算机视觉与模式识别 · 计算机科学 2018-11-22 Jinhyeok Jang , Jaehong Kim , Jaeyeon Lee , Seungjoon Yang