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Synthetic data generation offers promise for addressing data scarcity and privacy concerns in educational technology, yet practitioners lack empirical guidance for selecting between traditional resampling techniques and modern deep learning…

机器学习 · 计算机科学 2026-04-24 Tapiwa Amion Chinodakufa , Ashfaq Ali Shafin , Khandaker Mamun Ahmed

Mechanisms for generating differentially private synthetic data based on marginals and graphical models have been successful in a wide range of settings. However, one limitation of these methods is their inability to incorporate public…

机器学习 · 计算机科学 2024-03-13 Miguel Fuentes , Brett Mullins , Ryan McKenna , Gerome Miklau , Daniel Sheldon

In recent years, computational improvements have allowed for more nuanced, data-driven and geographically explicit agent-based simulations. So far, simulations have struggled to adequately represent the attributes that motivate the actions…

多智能体系统 · 计算机科学 2026-01-29 Alba Aguilera , Miquel Albertí , Nardine Osman , Georgina Curto

Generative adversarial networks constitute a powerful approach to generative modeling. While generated samples often are indistinguishable from real data, there is no guarantee that they will follow the true data distribution. For…

机器学习 · 统计学 2024-09-09 Philipp Pilar , Niklas Wahlström

One of the most significant current discussions in the field of data mining is classifying imbalanced data. In recent years, several ways are proposed such as algorithm level (internal) approaches, data level (external) techniques, and…

机器学习 · 计算机科学 2021-06-03 Maliheh Roknizadeh , Hossein Monshizadeh Naeen

We introduce the Probabilistic Generative Adversarial Network (PGAN), a new GAN variant based on a new kind of objective function. The central idea is to integrate a probabilistic model (a Gaussian Mixture Model, in our case) into the GAN…

机器学习 · 计算机科学 2017-08-08 Hamid Eghbal-zadeh , Gerhard Widmer

It is commonly believed that gradient compression in federated learning (FL) enjoys significant improvement in communication efficiency with negligible performance degradation. In this paper, we find that gradient compression induces…

机器学习 · 计算机科学 2026-02-13 Yujie Gu , Richeng Jin , Zhaoyang Zhang , Huaiyu Dai

The generalisation of Neural Networks (NN) to multiple datasets is often overlooked in literature due to NNs typically being optimised for specific data sources. This becomes especially challenging in time-series-based multi-dataset models…

机器学习 · 计算机科学 2024-10-28 Ayman Elhalwagy , Tatiana Kalganova

Generative adversarial networks (GANs) are one of the most widely used generative models. GANs can learn complex multi-modal distributions, and generate real-like samples. Despite the major success of GANs in generating synthetic data, they…

机器学习 · 计算机科学 2021-09-07 Sanaz Mohammadjafari , Mucahit Cevik , Ayse Basar

The published method Generative Adversarial Networks for Recommender Systems (GANRS) allows generating data sets for collaborative filtering recommendation systems. The GANRS source code is available along with a representative set of…

信息检索 · 计算机科学 2024-10-28 Jesús Bobadilla , Abraham Gutiérrez

Auto-encoding generative adversarial networks (GANs) combine the standard GAN algorithm, which discriminates between real and model-generated data, with a reconstruction loss given by an auto-encoder. Such models aim to prevent mode…

机器学习 · 统计学 2017-10-24 Mihaela Rosca , Balaji Lakshminarayanan , David Warde-Farley , Shakir Mohamed

The finance industry is producing an increasing amount of datasets that investment professionals can consider to be influential on the price of financial assets. These datasets were initially mainly limited to exchange data, namely price,…

计算金融 · 定量金融 2024-05-16 Matteo Rizzato , Julien Wallart , Christophe Geissler , Nicolas Morizet , Noureddine Boumlaik

Generative models and in particular Generative Adversarial Networks (GANs) have become very popular and powerful data generation tool. In recent years, major progress has been made in extending this concept into the quantum realm. However,…

量子物理 · 物理学 2023-09-19 Wiktor Jurasz , Christian B. Mendl

Studied here are Wasserstein generative adversarial networks (WGANs) with GroupSort neural networks as their discriminators. It is shown that the error bound of the approximation for the target distribution depends on the width and depth…

机器学习 · 计算机科学 2023-07-03 Yihang Gao , Michael K. Ng , Mingjie Zhou

Synthetic data generation is an appealing tool for augmenting and enriching datasets, playing a crucial role in advancing artificial intelligence (AI) and machine learning (ML). Not only does synthetic data help build robust AI/ML datasets…

系统与控制 · 电气工程与系统科学 2026-03-20 José Pulido , Francesc Wilhelmi , Sergio Fortes , Alfonso Fernández-Durán , Lorenzo Galati Giordano , Raquel Barco

Generative Adversarial Networks (GANs) typically suffer from overfitting when limited training data is available. To facilitate GAN training, current methods propose to use data-specific augmentation techniques. Despite the effectiveness,…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Jie Cao , Mandi Luo , Junchi Yu , Ming-Hsuan Yang , Ran He

Generative Adversarial Networks have become one of the most studied frameworks for unsupervised learning due to their intuitive formulation. They have also been shown to be capable of generating convincing examples in limited domains, such…

机器学习 · 计算机科学 2016-12-14 Daniel Jiwoong Im , He Ma , Chris Dongjoo Kim , Graham Taylor

The sharing of medical imaging datasets between institutions, and even inside the same institution, is limited by various regulations/legal barriers. Although these limitations are necessities for protecting patient privacy and setting…

图像与视频处理 · 电气工程与系统科学 2020-03-03 Engin Dikici , Luciano M. Prevedello , Matthew Bigelow , Richard D. White , Barbaros Selnur Erdal

We performed a billion locality sensitive hash comparisons between artificially generated data samples to answer the critical question - can we reproduce the results of generative AI models? Reproducibility is one of the pillars of…

分布式、并行与集群计算 · 计算机科学 2024-02-07 Edward Kim , Isamu Isozaki , Naomi Sirkin , Michael Robson

Generative models can serve as surrogates for some real data sources by creating synthetic training datasets, but in doing so they may transfer biases to downstream tasks. We focus on protecting quality and diversity when generating…

计算机与社会 · 计算机科学 2025-09-08 Allen Chang , Matthew C. Fontaine , Serena Booth , Maja J. Matarić , Stefanos Nikolaidis