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相关论文: Unsupervised Ensemble Learning via Ising Model App…

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Ensembles are a straightforward, remarkably effective method for improving the accuracy,calibration, and robustness of models on classification tasks; yet, the reasons that underlie their success remain an active area of research. We build…

机器学习 · 统计学 2022-06-22 Neha Gupta , Jamie Smith , Ben Adlam , Zelda Mariet

Predictive uncertainty-a model's self awareness regarding its accuracy on an input-is key for both building robust models via training interventions and for test-time applications such as selective classification. We propose a novel…

机器学习 · 计算机科学 2024-01-04 Nishant Jain , Karthikeyan Shanmugam , Pradeep Shenoy

We propose a new approach for data-driven automated discovery of isotropic hyperelastic constitutive laws. The approach is unsupervised, i.e., it requires no stress data but only displacement and global force data, which are realistically…

计算工程、金融与科学 · 计算机科学 2021-04-30 Moritz Flaschel , Siddhant Kumar , Laura De Lorenzis

Extreme learning machine (ELM) as a neural network algorithm has shown its good performance, such as fast speed, simple structure etc, but also, weak robustness is an unavoidable defect in original ELM for blended data. We present a new…

机器学习 · 计算机科学 2014-09-24 Bo Han , Bo He , Rui Nian , Mengmeng Ma , Shujing Zhang , Minghui Li , Amaury Lendasse

The dynamic ensemble selection of classifiers is an effective approach for processing label-imbalanced data classifications. However, such a technique is prone to overfitting, owing to the lack of regularization methods and the dependence…

机器学习 · 计算机科学 2020-11-09 Chen Wang , Chengyuan Deng , Zhoulu Yu , Dafeng Hui , Xiaofeng Gong , Ruisen Luo

In this article, we investigate the use of a probabilistic model for unsupervised clustering in text collections. Unsupervised clustering has become a basic module for many intelligent text processing applications, such as information…

信息检索 · 计算机科学 2016-08-16 Loïs Rigouste , Olivier Cappé , François Yvon

Aggregating multiple learners through an ensemble of models aim to make better predictions by capturing the underlying distribution of the data more accurately. Different ensembling methods, such as bagging, boosting, and stacking/blending,…

机器学习 · 统计学 2020-11-03 Mohsen Shahhosseini , Guiping Hu , Hieu Pham

Much more attention has been paid to unsupervised feature selection nowadays due to the emergence of massive unlabeled data. The distribution of samples and the latent effect of training a learning method using samples in more effective…

机器学习 · 计算机科学 2021-12-15 Weiyi Li , Hongmei Chen , Tianrui Li , Jihong Wan , Binbin Sang

We present a new algorithm for learning unknown governing equations from trajectory data, using and ensemble of neural networks. Given samples of solutions $x(t)$ to an unknown dynamical system $\dot{x}(t)=f(t,x(t))$, we approximate the…

机器学习 · 计算机科学 2021-10-19 Elisa Negrini , Giovanna Citti , Luca Capogna

While metric learning is important for Person re-identification (RE-ID), a significant problem in visual surveillance for cross-view pedestrian matching, existing metric models for RE-ID are mostly based on supervised learning that requires…

计算机视觉与模式识别 · 计算机科学 2017-10-19 Hong-Xing Yu , Ancong Wu , Wei-Shi Zheng

The recent success of machine learning models, especially large-scale classifiers and language models, relies heavily on training with massive data. These data are often collected from online sources. This raises serious concerns about the…

人工智能 · 计算机科学 2025-11-12 Ruihan Zhang , Jun Sun , Ee-Peng Lim , Peixin Zhang

Ensemble methods for classification and clustering have been effectively used for decades, while ensemble learning for outlier detection has only been studied recently. In this work, we design a new ensemble approach for outlier detection…

机器学习 · 计算机科学 2016-09-20 Shebuti Rayana , Wen Zhong , Leman Akoglu

In this note we give an example application of a recently presented predictive learning method called Rule Ensembles. The application we present is the search for super-symmetric particles at the Large Hadron Collider. In particular, we…

高能物理 - 唯象学 · 物理学 2011-01-13 J. Conrad , F. Tegenfeldt

In this paper, we consider the meta learning problem for estimating the graphs associated with high-dimensional Ising models, using the method of $\ell_1$-regularized logistic regression for neighborhood selection of each node. Our goal is…

机器学习 · 计算机科学 2022-08-23 Huiming Xie , Jean Honorio

Unsupervised learning is the most challenging problem in machine learning and especially in deep learning. Among many scenarios, we study an unsupervised learning problem of high economic value --- learning to predict without costly pairing…

机器学习 · 计算机科学 2016-06-16 Jianshu Chen , Po-Sen Huang , Xiaodong He , Jianfeng Gao , Li Deng

Disentangled representations have recently been shown to improve fairness, data efficiency and generalisation in simple supervised and reinforcement learning tasks. To extend the benefits of disentangled representations to more complex…

We develop a generalized inverse optimization framework for fitting the cost vector of a single linear optimization problem given multiple observed decisions. This setting is motivated by ensemble learning, where building consensus from…

最优化与控制 · 数学 2020-06-08 Aaron Babier , Timothy C. Y. Chan , Taewoo Lee , Rafid Mahmood , Daria Terekhov

Despite increasing popularity in empirical studies, the integration of machine learning generated variables into regression models for statistical inference suffers from the measurement error problem, which can bias estimation and threaten…

计量经济学 · 经济学 2024-12-23 Gordon Burtch , Edward McFowland , Mochen Yang , Gediminas Adomavicius

Seismic data often contain gaps due to various obstacles in the investigated area and recording instrument failures. Deep learning techniques offer promising solutions for reconstructing missing data parts by leveraging existing…

地球物理 · 物理学 2024-04-04 Mohammad Mahdi Abedi , David Pardo , Tariq Alkhalifah

Deep neural networks have achieved state-of-art performance in many domains including computer vision, natural language processing and self-driving cars. However, they are very computationally expensive and memory intensive which raises…

机器学习 · 计算机科学 2020-04-13 Besher Alhalabi , Mohamed Medhat Gaber , Shadi Basurra