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Ensembling can improve the performance of Neural Networks, but existing approaches struggle when the architecture likelihood surface has dispersed, narrow peaks. Furthermore, existing methods construct equally weighted ensembles, and this…

机器学习 · 统计学 2023-03-20 Saad Hamid , Xingchen Wan , Martin Jørgensen , Binxin Ru , Michael Osborne

Heterogeneous network data with rich nodal information become increasingly prevalent across multidisciplinary research, yet accurately modeling complex nodal heterogeneity and simultaneously selecting influential nodal attributes remains an…

统计方法学 · 统计学 2026-04-14 Zhaoyu Xing , Xiufan Yu

Deep neural networks are widely used for nonlinear function approximation with applications ranging from computer vision to control. Although these networks involve the composition of simple arithmetic operations, it can be very challenging…

Many machine learning applications use latent variable models to explain structure in data, whereby visible variables (= coordinates of the given datapoint) are explained as a probabilistic function of some hidden variables. Finding…

机器学习 · 计算机科学 2016-12-30 Sanjeev Arora , Rong Ge , Tengyu Ma , Andrej Risteski

We review the field of top-quark physics with an emphasis on experimental techniques. The role of the top quark in the Standard Model of particle physics is summarized and the basic phenomenology of top-quark production and decay is…

高能物理 - 实验 · 物理学 2012-07-10 Frederic Deliot , Douglas Glenzinski

Graphs can model real-world, complex systems by representing entities and their interactions in terms of nodes and edges. To better exploit the graph structure, graph neural networks have been developed, which learn entity and edge…

机器学习 · 计算机科学 2022-06-06 Tong Liu , Yushan Liu , Marcel Hildebrandt , Mitchell Joblin , Hang Li , Volker Tresp

In this paper we present a neural network based estimator system which performs well the frequency extraction from unevenly sampled signals. It uses an unsupervised Hebbian nonlinear neural algorithm to extract the principal components…

天体物理学 · 物理学 2007-05-23 R. Tagliaferri , A. Ciaramella , F. Barone , L. Milano

It is well known that the output of a Neural Network trained to disentangle between two classes has a probabilistic interpretation in terms of the a-posteriori Bayesian probability, provided that a unary representation is taken for the…

数据分析、统计与概率 · 物理学 2009-10-31 Lluis Garrido , Aurelio Juste

We perform a detailed study of the process of single color octet isoscalar $\eta_T$ production at the Tevatron with $\eta_T \to \gamma + g$ decay signature, including a complete simulation of signal and background processes. We determined a…

高能物理 - 唯象学 · 物理学 2008-12-18 Alexander Belyaev , Rogerio Rosenfeld , Alfonso R. Zerwekh

Convolutional neural networks have been successfully applied to various NLP tasks. However, it is not obvious whether they model different linguistic patterns such as negation, intensification, and clause compositionality to help the…

计算与语言 · 计算机科学 2018-10-23 Mahnaz Koupaee , William Yang Wang

The use of large pretrained neural networks to create contextualized word embeddings has drastically improved performance on several natural language processing (NLP) tasks. These computationally expensive models have begun to be applied to…

计算机与社会 · 计算机科学 2019-12-03 Benjamin Clavié , Kobi Gal

This paper presents a novel application of graph neural networks for modeling and estimating network heterogeneity. Network heterogeneity is characterized by variations in unit's decisions or outcomes that depend not only on its own…

计量经济学 · 经济学 2024-01-30 Yike Wang , Chris Gu , Taisuke Otsu

We present an overview of Top Quark Physics - from what has been learned so far at the Tevatron, to the searches that lie ahead at present and future colliders. We summarize the richness of the measurements and discuss their possible impact…

高能物理 - 唯象学 · 物理学 2009-07-09 D. Chakraborty , J. Konigsberg , D. Rainwater

In recent years, many techniques have been developed to improve the performance and efficiency of data center networks. While these techniques provide high accuracy, they are often designed using heuristics that leverage domain-specific…

网络与互联网体系结构 · 计算机科学 2017-12-13 Christopher Streiffer , Huan Chen , Theophilus Benson , Asim Kadav

Deep neural networks have rightfully won the place of one of the most accurate analysis tools in high energy physics. In this paper we will cover several methods of improving the performance of a deep neural network in a classification task…

数据分析、统计与概率 · 物理学 2021-09-20 Lev Dudko , Petr Volkov , Georgii Vorotnikov , Andrei Zaborenko

Recurrent neural networks for session-based recommendation have attracted a lot of attention recently because of their promising performance. repeat consumption is a common phenomenon in many recommendation scenarios (e.g., e-commerce,…

信息检索 · 计算机科学 2018-12-07 Pengjie Ren , Zhumin Chen , Jing Li , Zhaochun Ren , Jun Ma , Maarten de Rijke

The article describes a system for image recognition using deep convolutional neural networks. Modified network architecture is proposed that focuses on improving convergence and reducing training complexity. The filters in the first layer…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Andrey Alekseev , Anatoly Bobe

In this report, we combine the idea of Wide ResNets and transfer learning to optimize the architecture of deep neural networks. The first improvement of the architecture is the use of all layers as information source for the last layer.…

机器学习 · 计算机科学 2022-06-22 Wolfgang Fuhl

Thomson scattering (TS) diagnostics provide reliable, minimally perturbative measurements of fundamental plasma parameters, such as electron density ($n_e$) and electron temperature ($T_e$). Deep neural networks can provide accurate…

Many phenomena in physics, including light, water waves, and sound, are described by wave equations. Given their coefficients, wave equations can be solved to high accuracy, but the presence of the wavelength scale often leads to large…

计算物理 · 物理学 2025-02-19 Timo Gahlmann , Philippe Tassin