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Promotions and discounts have become key components of modern e-commerce platforms. For online travel platforms (OTPs), popular promotions include room upgrades, free meals and transportation services. By offering these promotions,…

机器学习 · 计算机科学 2020-09-29 Dmitri Goldenberg , Javier Albert , Lucas Bernardi , Pablo Estevez

Leveraging the power of increasing amounts of data to analyze customer base for attracting and retaining the most valuable customers is a major problem facing companies in this information age. Data mining technologies extract hidden…

机器学习 · 计算机科学 2012-01-10 Siavash Emtiyaz , MohammadReza Keyvanpour

External controls from historical trials or observational data can augment randomized controlled trials when large-scale randomization is impractical or unethical, such as in drug evaluation for rare diseases. However, non-randomized…

统计方法学 · 统计学 2025-05-08 Ke Zhu , Shu Yang , Xiaofei Wang

Uplift modeling comprises a collection of machine learning techniques designed for managers to predict the incremental impact of specific actions on customer outcomes. However, accurately estimating this incremental impact poses significant…

机器学习 · 计算机科学 2025-02-10 Junjie Gao , Xiangyu Zheng , DongDong Wang , Zhixiang Huang , Bangqi Zheng , Kai Yang

Clinical trials with a hybrid control arm (a control arm constructed from a combination of randomized patients and real-world data on patients receiving usual care in standard clinical practice) have the potential to decrease the cost of…

统计方法学 · 统计学 2021-08-20 Joanna Harton , Brian Segal , Ronac Mamtani , Nandita Mitra , Rebecca Hubbard

Spectral-spatial processing has been increasingly explored in remote sensing hyperspectral image classification. While extensive studies have focused on developing methods to improve the classification accuracy, experimental setting and…

计算机视觉与模式识别 · 计算机科学 2017-03-08 Jie Liang , Jun Zhou , Yuntao Qian , Lian Wen , Xiao Bai , Yongsheng Gao

The statistical efficiency of randomized clinical trials can be improved by incorporating information from baseline covariates (i.e., pre-treatment patient characteristics). This can be done in the design stage using stratified (permutated…

统计方法学 · 统计学 2025-02-04 Zhiwei Zhang

Data augmentation has proved extremely useful by increasing training data variance to alleviate overfitting and improve deep neural networks' generalization performance. In medical image analysis, a well-designed augmentation policy usually…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Yunhe Gao , Zhiqiang Tang , Mu Zhou , Dimitris Metaxas

To scale optimization and simulation, prior work has explored training machine-learning surrogates that map problem parameters to solutions inexpensively at inference time. Unfortunately, commonly used approaches, including supervised and…

机器学习 · 计算机科学 2026-05-12 Khai Nguyen , Petros Ellinas , Anvita Bhagavathula , Priya L. Donti

Deep learning-based models in medical imaging often struggle to generalize effectively to new scans due to data heterogeneity arising from differences in hardware, acquisition parameters, population, and artifacts. This limitation presents…

图像与视频处理 · 电气工程与系统科学 2023-08-09 Sebastian Nørgaard Llambias , Mads Nielsen , Mostafa Mehdipour Ghazi

Randomized trials are considered the gold standard for estimating causal effects. Trial findings are often used to inform policy and programming efforts, yet their results may not generalize well to a relevant target population due to…

Uplift modeling is a machine learning technique that aims to model treatment effects heterogeneity. It has been used in business and health sectors to predict the effect of a specific action on a given individual. Despite its advantages,…

机器学习 · 计算机科学 2017-04-20 Atef Shaar , Talel Abdessalem , Olivier Segard

Unsupervised domain adaptation aims to address the problem of classifying unlabeled samples from the target domain whilst labeled samples are only available from the source domain and the data distributions are different in these two…

机器学习 · 计算机科学 2019-11-20 Qian Wang , Toby P. Breckon

Contrastive learning enables learning useful audio and speech representations without ground-truth labels by maximizing the similarity between latent representations of similar signal segments. In this framework various data augmentation…

音频与语音处理 · 电气工程与系统科学 2022-04-11 Salah Zaiem , Titouan Parcollet , Slim Essid

Understanding causality should be a core requirement of any attempt to build real impact through AI. Due to the inherent unobservability of counterfactuals, large randomised trials (RCTs) are the standard for causal inference. But large…

Scalable and accurate identification of specific clinical outcomes has been enabled by machine-learning applied to electronic medical record (EMR) systems. The development of classification models requires the collection of a complete…

统计方法学 · 统计学 2020-11-09 W. Katherine Tan , Patrick J. Heagerty

Randomized Controlled Trials (RCTs) are the gold standard for comparing the effectiveness of a new treatment to the current one (the control). Most RCTs allocate the patients to the treatment group and the control group by uniform…

机器学习 · 统计学 2018-10-22 Onur Atan , William R. Zame , Mihaela van der Schaar

We consider a feature-based personalized pricing problem in which the buyer is strategic: given the seller's pricing policy, the buyer can augment the features that they reveal to the seller to obtain a low price for the product. We model…

最优化与控制 · 数学 2024-08-19 Zhi Chen , Bradley Sturt , Weijun Xie

In classification problems, sampling bias between training data and testing data is critical to the ranking performance of classification scores. Such bias can be both unintentionally introduced by data collection and intentionally…

统计方法学 · 统计学 2017-11-02 Chandler Zuo

Uplift modeling aims to measure the incremental effect, which we call uplift, of a strategy or action on the users from randomized experiments or observational data. Most existing uplift methods only use individual data, which are usually…

机器学习 · 计算机科学 2024-03-12 Dingyuan Zhu , Daixin Wang , Zhiqiang Zhang , Kun Kuang , Yan Zhang , Yulin Kang , Jun Zhou