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We consider straggler-resilient learning. In many previous works, e.g., in the coded computing literature, straggling is modeled as random delays that are independent and identically distributed between workers. However, in many practical…

分布式、并行与集群计算 · 计算机科学 2021-11-30 Albin Severinson , Eirik Rosnes , Salim El Rouayheb , Alexandre Graell i Amat

Multi-person motion prediction is an emerging and intricate task with broad real-world applications. Unlike single person motion prediction, it considers not just the skeleton structures or human trajectories but also the interactions…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Kehua Qu , Rui Ding , Jin Tang

Information extraction (IE) systems aim to automatically extract structured information, such as named entities, relations between entities, and events, from unstructured texts. While most existing work addresses a particular IE task,…

计算与语言 · 计算机科学 2023-05-22 Chang Gao , Wenxuan Zhang , Wai Lam , Lidong Bing

The aim of this paper is to present a novel approach for ranking of all DMUs using the interval Cross-Efficiency (ICE) and interval Analytic Hierarchy Process (IAHP) methods. The approach includes two basic stages. In the first stage using…

最优化与控制 · 数学 2021-09-21 Dariush Akbarian

Imbalanced learning (IL), i.e., learning unbiased models from class-imbalanced data, is a challenging problem. Typical IL methods including resampling and reweighting were designed based on some heuristic assumptions. They often suffer from…

机器学习 · 计算机科学 2020-10-20 Zhining Liu , Pengfei Wei , Jing Jiang , Wei Cao , Jiang Bian , Yi Chang

In this article, we propose a novel probabilistic framework to improve the accuracy of a weighted majority voting algorithm. In order to assign higher weights to the classifiers which can correctly classify hard-to-classify instances, we…

机器学习 · 统计学 2019-11-13 Ziheng Chen , Hongshik Ahn

Uncertainty quantification in prediction presents a compelling challenge with vast applications across various domains, including biomedical science, economics, and weather forecasting. There exists a wide array of methods for constructing…

统计方法学 · 统计学 2024-07-16 Jianqing Fan , Jiawei Ge , Debarghya Mukherjee

A growing number of applications, e.g. video surveillance and medical image analysis, require training recognition systems from large amounts of weakly annotated data while some targeted interactions with a domain expert are allowed to…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Marc-André Carbonneau , Eric Granger , Ghyslain Gagnon

As a simple technique to accelerate inference of large-scale pre-trained models, early exiting has gained much attention in the NLP community. It allows samples to exit early at internal classifiers without passing through the entire model.…

计算与语言 · 计算机科学 2021-05-31 Tianxiang Sun , Yunhua Zhou , Xiangyang Liu , Xinyu Zhang , Hao Jiang , Zhao Cao , Xuanjing Huang , Xipeng Qiu

The choice of the prior model can have a large impact on the ability to assimilate data. In standard applications of ensemble-based data assimilation, all realizations in the initial ensemble are generated from the same covariance matrix…

统计计算 · 统计学 2022-06-03 Dean S. Oliver

In this paper, we investigate the problem of string-based molecular generation via variational autoencoders (VAEs) that have served a popular generative approach for various tasks in artificial intelligence. We propose a simple, yet…

机器学习 · 计算机科学 2022-08-24 Kisoo Kwon , Kuhwan Jung , Junghyun Park , Hwidong Na , Jinwoo Shin

Training reliable respiratory sound classification models remains challenging due to the limited size and subject diversity of datasets. Ensemble methods can improve robustness, but when base models are trained on identical data, models…

机器学习 · 计算机科学 2026-04-28 June-Woo Kim , Miika Toikkanen , Heejoon Koo , Yoon Tae Kim , Doyoung Kwon , Kyunghoon Kim

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

This paper considers a type of incremental aggregated gradient (IAG) method for large-scale distributed optimization. The IAG method is well suited for the parameter server architecture as the latter can easily aggregate potentially staled…

最优化与控制 · 数学 2023-09-12 Xiaolu Wang , Cheng Jin , Hoi-To Wai , Yuantao Gu

Class-Incremental Learning (CIL) is important in building real-world learning systems. In CLIP-based CIL, the model performs classification by comparing similarity between visual and textual embeddings obtained from template prompts, e.g.,…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Zhen-Hao Xie , Yu-Cheng Shi , Da-Wei Zhou

The Expectation-Maximization (EM) algorithm is a commonly used method for finding the maximum likelihood estimates of the parameters in a mixture model via coordinate ascent. A serious pitfall with the algorithm is that in the case of…

统计计算 · 统计学 2018-08-31 Adrian O'Hagan , Arthur White

Predicting students' academic performance has been a research area of interest in recent years with many institutions focusing on improving the students' performance and the education quality. The analysis and prediction of students'…

计算机与社会 · 计算机科学 2020-06-11 MohammadNoor Injadat , Abdallah Moubayed , Ali Bou Nassif , Abdallah Shami

Label aggregation such as majority voting is commonly used to resolve annotator disagreement in dataset creation. However, this may disregard minority values and opinions. Recent studies indicate that learning from individual annotations…

计算与语言 · 计算机科学 2023-10-24 Xinpeng Wang , Barbara Plank

The clustering ensemble technique aims to combine multiple clusterings into a probably better and more robust clustering and has been receiving an increasing attention in recent years. There are mainly two aspects of limitations in the…

机器学习 · 统计学 2016-06-06 Dong Huang , Jian-Huang Lai , Chang-Dong Wang

Deep neural networks have become the method of choice for solving many classification tasks, largely because they can fit very complex functions defined over raw data. The downside of such powerful learners is the danger of overfit. In this…

机器学习 · 计算机科学 2023-12-29 Uri Stern , Daniel Shwartz , Daphna Weinshall