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The applications of traditional statistical feature selection methods to high-dimension, low sample-size data often struggle and encounter challenging problems, such as overfitting, curse of dimensionality, computational infeasibility, and…

Machine Learning · Statistics 2023-12-19 Kexuan Li , Fangfang Wang , Lingli Yang , Ruiqi Liu

In contemporary economic society, credit scores are crucial for every participant. A robust credit evaluation system is essential for the profitability of core businesses such as credit cards, loans, and investments for commercial banks and…

Machine Learning · Computer Science 2024-11-13 Qianwen Xing , Chang Yu , Sining Huang , Qi Zheng , Xingyu Mu , Mengying Sun

The growing scale and sophistication of cyberattacks pose critical challenges to network security, particularly in detecting diverse intrusion types within imbalanced datasets. Traditional intrusion detection systems (IDS) often struggle to…

Cryptography and Security · Computer Science 2025-11-25 Nisith Dissanayake , Uthayasanker Thayasivam

Multi-scale features are essential for dense prediction tasks, such as object detection, instance segmentation, and semantic segmentation. The prevailing methods usually utilize a classification backbone to extract multi-scale features and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Gang Zhang , Ziyi Li , Chufeng Tang , Jianmin Li , Xiaolin Hu

Decomposing prediction uncertainty into aleatoric (irreducible) and epistemic (reducible) components is critical for the reliable deployment of machine learning systems. While the mutual information between the response variable and model…

Machine Learning · Statistics 2026-02-10 Anchit Jain , Stephen Bates

Deepfake detection refers to detecting artificially generated or edited faces in images or videos, which plays an essential role in visual information security. Despite promising progress in recent years, Deepfake detection remains a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Chunlei Peng , Huiqing Guo , Decheng Liu , Nannan Wang , Ruimin Hu , Xinbo Gao

Diversity of the features extracted by deep neural networks is important for enhancing the model generalization ability and accordingly its performance in different learning tasks. Facial expression recognition in the wild has attracted…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Negar Heidari , Alexandros Iosifidis

Analysis of reactive-diffusion simulations requires a large number of independent model runs. For each high-fidelity simulation, inputs are varied and the predicted mixing behavior is represented by changes in species concentration. It is…

Computational Engineering, Finance, and Science · Computer Science 2019-07-24 V. V. Vesselinov , M. K. Mudunuru , S. Karra , D. O. Malley , B. S. Alexandrov

The challenges in feature selection, particularly in balancing model accuracy, interpretability, and computational efficiency, remain a critical issue in advancing machine learning methodologies. To address these complexities, this study…

Machine Learning · Computer Science 2026-01-06 Nachiket Kapure , Harsh Joshi , Parul Kumari , Rajeshwari Mistri , Manasi Mali

Stroke prediction plays a crucial role in preventing and managing this debilitating condition. In this study, we address the challenge of stroke prediction using a comprehensive dataset, and propose an ensemble model that combines the power…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Weinan Dai , Yifeng Jiang , Chengjie Mou , Chongyu Zhang

In person re-identification (re-ID), the key task is feature representation, which is used to compute distance or similarity in prediction. Person re-ID achieves great improvement when deep learning methods are introduced to tackle this…

Computer Vision and Pattern Recognition · Computer Science 2019-01-18 Jiabao Wang , Yang Li , Zhuang Miao

The interactions of users and items in recommender system could be naturally modeled as a user-item bipartite graph. In recent years, we have witnessed an emerging research effort in exploring user-item graph for collaborative filtering…

Machine Learning · Computer Science 2019-11-26 Xiao Wang , Ruijia Wang , Chuan Shi , Guojie Song , Qingyong Li

Click-through rate (CTR) estimation is a fundamental task in personalized advertising and recommender systems and it's important for ranking models to effectively capture complex high-order features.Inspired by the success of ELMO and Bert…

Information Retrieval · Computer Science 2021-07-27 Zhiqiang Wang , Qingyun She , PengTao Zhang , Junlin Zhang

Most accurate predictions are typically obtained by learning machines with complex feature spaces (as e.g. induced by kernels). Unfortunately, such decision rules are hardly accessible to humans and cannot easily be used to gain insights…

Machine Learning · Statistics 2010-08-13 Alexander Zien , Nicole Kraemer , Soeren Sonnenburg , Gunnar Raetsch

Existing deep active learning algorithms achieve impressive sampling efficiency on natural language processing tasks. However, they exhibit several weaknesses in practice, including (a) inability to use uncertainty sampling with black-box…

Computation and Language · Computer Science 2020-07-22 Haw-Shiuan Chang , Shankar Vembu , Sunil Mohan , Rheeya Uppaal , Andrew McCallum

The Finite Element Method (FEM) is a widely used technique for simulating crash scenarios with high accuracy and reliability. To reduce the significant computational costs associated with FEM, the Finite Element Method Integrated Networks…

Computational Engineering, Finance, and Science · Computer Science 2024-09-27 Simon Thel , Lars Greve , Maximilian Karl , Patrick van der Smagt

Chest X-ray imaging is a critical diagnostic tool for identifying pulmonary diseases. However, manual interpretation of these images is time-consuming and error-prone. Automated systems utilizing convolutional neural networks (CNNs) have…

Image and Video Processing · Electrical Eng. & Systems 2025-11-25 Saurabh Agarwal , K. V. Arya , Yogesh Kumar Meena

The identification and property prediction of chemical molecules is of central importance in the advancement of drug discovery and material science, where the tandem mass spectrometry technology gives valuable fragmentation cues in the form…

Artificial Intelligence · Computer Science 2026-04-14 Yunhua Zhong , Yixuan Tang , Yifan Li , Jie Yang , Pan Liu , Jun Xia

Multimodal recommender systems leverage diverse data sources, such as user interactions, content features, and contextual information, to address challenges like cold-start and data sparsity. However, existing methods often suffer from one…

Information Retrieval · Computer Science 2026-02-24 Adamya Shyam , Venkateswara Rao Kagita , Bharti Rana , Vikas Kumar

An effective ranking model usually requires a large amount of training data to learn the relevance between documents and queries. User clicks are often used as training data since they can indicate relevance and are cheap to collect, but…

Information Retrieval · Computer Science 2023-02-21 Xiaojie Sun , Lulu Yu , Yiting Wang , Keping Bi , Jiafeng Guo