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Differentially private (DP) synthetic data is a promising approach to maximizing the utility of data containing sensitive information. Due to the suppression of underrepresented classes that is often required to achieve privacy, however, it…

机器学习 · 计算机科学 2022-06-22 Blake Bullwinkel , Kristen Grabarz , Lily Ke , Scarlett Gong , Chris Tanner , Joshua Allen

Nowadays, the use of synthetic data has gained popularity as a cost-efficient strategy for enhancing data augmentation for improving machine learning models performance as well as addressing concerns related to sensitive data privacy.…

机器学习 · 计算机科学 2025-10-27 Ioannis E. Livieris , Nikos Alimpertis , George Domalis , Dimitris Tsakalidis

One of the limiting factors in training data-driven, rare-event prediction algorithms is the scarcity of the events of interest resulting in an extreme imbalance in the data. There have been many methods introduced in the literature for…

机器学习 · 计算机科学 2021-05-18 Yang Chen , Dustin J. Kempton , Azim Ahmadzadeh , Rafal A. Angryk

In this paper we investigate the feasibility of using synthetic data to augment face datasets. In particular, we propose a novel generative adversarial network (GAN) that can disentangle identity-related attributes from non-identity-related…

计算机视觉与模式识别 · 计算机科学 2018-11-02 Daniel Sáez Trigueros , Li Meng , Margaret Hartnett

Identifying anomalous instances in tabular data is essential for improving data reliability and maintaining system stability. Due to the scarcity of ground-truth anomaly labels, existing methods mainly rely on unsupervised anomaly detection…

人工智能 · 计算机科学 2026-04-21 Wei Huang , Yuxuan Xiong , Hezhe Qiao , Yu-Ming Shang , Xiangling Fu , Guansong Pang

Recent advances in deep learning and on-device inference could transform routine screening for skin cancers. Along with the anticipated benefits of this technology, potential dangers arise from unforeseen and inherent biases. A significant…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Ko Watanabe , Stanislav Frolov , Aya Hassan , David Dembinsky , Adriano Lucieri , Andreas Dengel

There has been growing attention on fairness considerations recently, especially in the context of intelligent decision making systems. Explainable recommendation systems, in particular, may suffer from both explanation bias and performance…

Algorithmic decision making systems are ubiquitous across a wide variety of online as well as offline services. These systems rely on complex learning methods and vast amounts of data to optimize the service functionality, satisfaction of…

Despite the progress made in deepfake detection research, recent studies have shown that biases in the training data for these detectors can result in varying levels of performance across different demographic groups, such as race and…

机器学习 · 计算机科学 2025-01-03 Uzoamaka Ezeakunne , Chrisantus Eze , Xiuwen Liu

We introduce SAGE; a Generative LLM for inferring attribute values for products across world-wide e-Commerce catalogs. We introduce a novel formulation of the attribute-value prediction problem as a Seq2Seq summarization task, across…

AI systems have been shown to produce unfair results for certain subgroups of population, highlighting the need to understand bias on certain sensitive attributes. Current research often falls short, primarily focusing on the subgroups…

机器学习 · 计算机科学 2024-06-10 Gezheng Xu , Qi Chen , Charles Ling , Boyu Wang , Changjian Shui

The redundant features existing in high dimensional datasets always affect the performance of learning and mining algorithms. How to detect and remove them is an important research topic in machine learning and data mining research. In this…

机器学习 · 计算机科学 2017-07-04 Shuchu Han , Hao Huang , Hong Qin

High-dimensional feature selection is a central problem in a variety of application domains such as machine learning, image analysis, and genomics. In this paper, we propose graph-based tests as a useful basis for feature selection. We…

统计方法学 · 统计学 2024-08-13 Swarnadip Ghosh , Somabha Mukherjee , Divyansh Agarwal , Yichen He , Mingzhi Song , Xuejiao Pei

This paper presents a novel collaborative generative modeling (CGM) framework that incentivizes collaboration among self-interested parties to contribute data to a pool for training a generative model (e.g., GAN), from which synthetic data…

机器学习 · 计算机科学 2021-12-20 Sebastian Shenghong Tay , Xinyi Xu , Chuan Sheng Foo , Bryan Kian Hsiang Low

The widespread use of big data across sectors has raised major privacy concerns, especially when sensitive information is shared or analyzed. Regulations such as GDPR and HIPAA impose strict controls on data handling, making it difficult to…

机器学习 · 计算机科学 2025-12-10 Anantaa Kotal , Anupam Joshi

Personalized federated learning (FL) facilitates collaborations between multiple clients to learn personalized models without sharing private data. The mechanism mitigates the statistical heterogeneity commonly encountered in the system,…

机器学习 · 计算机科学 2022-09-23 Zichen Ma , Yu Lu , Wenye Li , Shuguang Cui

In the current landscape of ever-increasing levels of digitalization, we are facing major challenges pertaining to scalability. Recommender systems have become irreplaceable both for helping users navigate the increasing amounts of data…

信息检索 · 计算机科学 2024-04-03 Bjørnar Vassøy , Helge Langseth

Machine learning models have been criticized for reflecting unfair biases in the training data. Instead of solving for this by introducing fair learning algorithms directly, we focus on generating fair synthetic data, such that any…

机器学习 · 计算机科学 2021-11-08 Boris van Breugel , Trent Kyono , Jeroen Berrevoets , Mihaela van der Schaar

The banking sector faces challenges in using deep learning due to data sensitivity and regulatory constraints, but generative AI may offer a solution. Thus, this study identifies effective algorithms for generating synthetic financial…

Recently, graphs have been widely used to represent many different kinds of real world data or observations such as social networks, protein-protein networks, road networks, and so on. In many cases, each node in a graph is associated with…

社会与信息网络 · 计算机科学 2016-09-28 Jihwan Lee , Keehwan Park , Sunil Prabhakar