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A fundamental problem in supervised learning is to find a good set of features or distance measures. If the new set of features is of lower dimensionality and can be obtained by a simple transformation of the original data, they can make…

Machine Learning · Computer Science 2024-05-15 Anri Patron , Ayush Prasad , Hoang Phuc Hau Luu , Kai Puolamäki

Forecasting product demand in retail supply chains presents a complex challenge due to noisy, heterogeneous features and rapidly shifting consumer behavior. While traditional gradient boosting decision trees (GBDT) offer strong predictive…

Machine Learning · Computer Science 2026-03-06 Yadi Liu , Xiaoli Ma , Muxin Ge , Zeyu Han , Jingxi Qiu , Ye Aung Moe , Yilan Shen , Wenbin Wei , Cheng Huang

Adaptation of pretrained vision-language models such as CLIP to various downstream tasks have raised great interest in recent researches. Previous works have proposed a variety of test-time adaptation (TTA) methods to achieve strong…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Taolin Zhang , Jinpeng Wang , Hang Guo , Tao Dai , Bin Chen , Shu-Tao Xia

Mixed precision training (MPT) is becoming a practical technique to improve the speed and energy efficiency of training deep neural networks by leveraging the fast hardware support for IEEE half-precision floating point that is available in…

Machine Learning · Computer Science 2019-10-29 Ruizhe Zhao , Brian Vogel , Tanvir Ahmed

This paper explores two classes of model adaptation methods for Web search ranking: Model Interpolation and error-driven learning approaches based on a boosting algorithm. The results show that model interpolation, though simple, achieves…

Machine Learning · Computer Science 2019-07-24 Jianfeng Gao , Qiang Wu , Chris Burges , Krysta Svore , Yi Su , Nazan Khan , Shalin Shah , Hongyan Zhou

Anomaly detection has many important applications, such as monitoring industrial equipment. Despite recent advances in anomaly detection with deep-learning methods, it is unclear how existing solutions would perform under…

Sound · Computer Science 2022-04-06 Bingqing Chen , Luca Bondi , Samarjit Das

Recently, efficient fine-tuning of large-scale pre-trained models has attracted increasing research interests, where linear probing (LP) as a fundamental module is involved in exploiting the final representations for task-dependent…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Mingze Gao , Qilong Wang , Zhenyi Lin , Pengfei Zhu , Qinghua Hu , Jingbo Zhou

Micro-batch clipping, a gradient clipping method, has recently shown potential in enhancing auto-speech recognition (ASR) model performance. However, the underlying mechanism behind this improvement remains mysterious, particularly the…

Machine Learning · Computer Science 2024-08-30 Lun Wang

In this work, we propose a new optimization framework for multiclass boosting learning. In the literature, AdaBoost.MO and AdaBoost.ECC are the two successful multiclass boosting algorithms, which can use binary weak learners. We explicitly…

Machine Learning · Computer Science 2010-09-21 Zhihui Hao , Chunhua Shen , Nick Barnes , Bo Wang

We propose a novel adaptive approximation approach for test-time resource-constrained prediction. Given an input instance at test-time, a gating function identifies a prediction model for the input among a collection of models. Our…

Machine Learning · Statistics 2017-05-30 Feng Nan , Venkatesh Saligrama

Learned sparse retrieval systems aim to combine the effectiveness of contextualized language models with the scalability of conventional data structures such as inverted indexes. Nevertheless, the indexes generated by these systems exhibit…

Information Retrieval · Computer Science 2024-05-03 Antonio Mallia , Torten Suel , Nicola Tonellotto

AdaBoost is an important algorithm in machine learning and is being widely used in object detection. AdaBoost works by iteratively selecting the best amongst weak classifiers, and then combines several weak classifiers to obtain a strong…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-06-07 Munther Abualkibash , Ahmed ElSayed , Ausif Mahmood

Multiview assisted learning has gained significant attention in recent years in supervised learning genre. Availability of high performance computing devices enables learning algorithms to search simultaneously over multiple views or…

Machine Learning · Computer Science 2016-08-08 Avisek Lahiri , Biswajit Paria , Prabir Kumar Biswas

The AdaBoost algorithm has the superiority of resisting overfitting. Understanding the mysteries of this phenomena is a very fascinating fundamental theoretical problem. Many studies are devoted to explaining it from statistical view and…

Machine Learning · Computer Science 2020-07-30 Fei Wang , Zhongheng Li , Fang He , Rong Wang , Weizhong Yu , Feiping Nie

Prompt-based learning has shown considerable promise in reformulating various downstream tasks as cloze problems by combining original input with a predetermined template. This approach demonstrates its effectiveness, especially in few-shot…

Computation and Language · Computer Science 2023-11-14 Bohan Li , Longxu Dou , Yutai Hou , Yunlong Feng , Honglin Mu , Qingfu Zhu , Qinghua Sun , Wanxiang Che

We offer a novel view of AdaBoost in a statistical setting. We propose a Bayesian model for binary classification in which label noise is modeled hierarchically. Using variational inference to optimize a dynamic evidence lower bound, we…

Machine Learning · Statistics 2012-09-11 Alexander Lorbert , David M. Blei , Robert E. Schapire , Peter J. Ramadge

Gradient boosting of regression trees is a competitive procedure for learning predictive models of continuous data that fits the data with an additive non-parametric model. The classic version of gradient boosting assumes that the data is…

Machine Learning · Computer Science 2016-07-04 Iman Alodah , Jennifer Neville

Machine learning classifiers often stumble over imbalanced datasets where classes are not equally represented. This inherent bias towards the majority class may result in low accuracy in labeling minority class. Imbalanced learning is…

Machine Learning · Computer Science 2019-11-14 Wenhao Zhang , Ramin Ramezani , Arash Naeim

Gradient boosted decision trees are a popular machine learning technique, in part because of their ability to give good accuracy with small models. We describe two extensions to the standard tree boosting algorithm designed to increase this…

Machine Learning · Statistics 2017-11-01 Natalia Ponomareva , Thomas Colthurst , Gilbert Hendry , Salem Haykal , Soroush Radpour

Recently non-convex optimization approaches for solving machine learning problems have gained significant attention. In this paper we explore non-convex boosting in classification by means of integer programming and demonstrate real-world…

Machine Learning · Computer Science 2020-02-13 Marc E. Pfetsch , Sebastian Pokutta