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Synthetic data is a useful resource for algorithmic research. It allows for the evaluation of systems under a range of conditions that might be difficult to achieve in real world settings. In recommender systems, the use of synthetic data…

信息检索 · 计算机科学 2024-09-24 Elena Stefancova , Cassidy All , Joshua Paup , Martin Homola , Nicholas Mattei , Robin Burke

Synthetic datasets are important for evaluating and testing machine learning models. When evaluating real-life recommender systems, high-dimensional categorical (and sparse) datasets are often considered. Unfortunately, there are not many…

信息检索 · 计算机科学 2024-12-11 Miha Malenšek , Blaž Škrlj , Blaž Mramor , Jure Demšar

Feature selection is an important and active field of research in machine learning and data science. Our goal in this paper is to propose a collection of synthetic datasets that can be used as a common reference point for feature selection…

机器学习 · 计算机科学 2022-11-08 Firuz Kamalov , Hana Sulieman , Aswani Kumar Cherukuri

It is said that we live in the age of data, and that data is ubiquitous and readily available if one has the tools to harness it. That may well be true, but so is the opposite. It is ever more common to try to start a data science project…

应用统计 · 统计学 2023-01-02 Vitor T. Camacho

This paper demonstrates the potential of statistical disclosure control for protecting the data used to train recommender systems. Specifically, we use a synthetic data generation approach to hide specific information in the user-item…

信息检索 · 计算机科学 2020-08-11 Manel Slokom , Martha Larson , Alan Hanjalic

Recommender systems are essential for enhancing user experiences by suggesting items based on individual preferences. However, these systems frequently face the challenge of data imbalance, characterized by a predominance of negative…

信息检索 · 计算机科学 2024-06-27 Fatih Cihan Taskin , Ilknur Akcay , Muhammed Pesen , Said Aldemir , Ipek Iraz Esin , Furkan Durmus

AI-generated synthetic data, in addition to protecting the privacy of original data sets, allows users and data consumers to tailor data to their needs. This paper explores the creation of synthetic data that embodies Fairness by Design,…

机器学习 · 计算机科学 2023-11-07 Ivona Krchova , Michael Platzer , Paul Tiwald

Using machine learning models to generate synthetic data has become common in many fields. Technology to generate synthetic transactions that can be used to detect fraud is also growing fast. Generally, this synthetic data contains only…

机器学习 · 计算机科学 2023-06-30 Shuo Wang , Terrence Tricco , Xianta Jiang , Charles Robertson , John Hawkin

Machine learning applications are becoming increasingly pervasive in our society. Since these decision-making systems rely on data-driven learning, risk is that they will systematically spread the bias embedded in data. In this paper, we…

In general, to draw robust conclusions from a dataset, all the analyzed population must be represented on said dataset. Having a dataset that does not fulfill this condition normally leads to selection bias. Additionally, graphs have been…

机器学习 · 计算机科学 2022-05-30 Axel Wassington , Sergi Abadal

Personalized recommendation brings about novel challenges in ensuring fairness, especially in scenarios in which users are not the only stakeholders involved in the recommender system. For example, the system may want to ensure that items…

信息检索 · 计算机科学 2018-09-14 Weiwen Liu , Robin Burke

This study investigates the possibility of mitigating the demographic biases that affect face recognition technologies through the use of synthetic data. Demographic biases have the potential to impact individuals from specific demographic…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Pietro Melzi , Christian Rathgeb , Ruben Tolosana , Ruben Vera-Rodriguez , Aythami Morales , Dominik Lawatsch , Florian Domin , Maxim Schaubert

We investigate whether synthetic question-answer (QA) data generated by large language models (LLMs) can serve as an effective proxy for human-labeled benchmarks when the latter is unavailable. We assess the reliability of synthetic…

计算与语言 · 计算机科学 2025-10-22 Jonas van Elburg , Peter van der Putten , Maarten Marx

The public availability of collections containing user preferences is of vital importance for performing offline evaluations in the field of recommender systems. However, the number of rating datasets is limited because of the costs…

信息检索 · 计算机科学 2019-09-04 Diego Monti , Giuseppe Rizzo , Maurizio Morisio

Most proposed algorithmic fairness techniques require access to data on a "sensitive attribute" or "protected category" (such as race, ethnicity, gender, or sexuality) in order to make performance comparisons and standardizations across…

计算机与社会 · 计算机科学 2022-05-05 McKane Andrus , Sarah Villeneuve

Financial datasets often suffer from bias that can lead to unfair decision-making in automated systems. In this work, we propose FairFinGAN, a WGAN-based framework designed to generate synthetic financial data while mitigating bias with…

Generative modeling has been used frequently in synthetic data generation. Fairness and privacy are two big concerns for synthetic data. Although Recent GAN [\cite{goodfellow2014generative}] based methods show good results in preserving…

机器学习 · 计算机科学 2023-07-04 Weijie Xu , Jinjin Zhao , Francis Iannacci , Bo Wang

With the rising adoption of Machine Learning across the domains like banking, pharmaceutical, ed-tech, etc, it has become utmost important to adopt responsible AI methods to ensure models are not unfairly discriminating against any group.…

机器学习 · 计算机科学 2022-12-02 Bhushan Chaudhari , Himanshu Chaudhary , Aakash Agarwal , Kamna Meena , Tanmoy Bhowmik

Synthetic data is emerging as a substitute for authentic data to solve ethical and legal challenges in handling authentic face data. The current models can create real-looking face images of people who do not exist. However, it is a known…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Marco Huber , Anh Thi Luu , Fadi Boutros , Arjan Kuijper , Naser Damer

Accurate recommendation and reliable explanation are two key issues for modern recommender systems. However, most recommendation benchmarks only concern the prediction of user-item ratings while omitting the underlying causes behind the…

信息检索 · 计算机科学 2022-02-24 Yan Lyu , Sunhao Dai , Peng Wu , Quanyu Dai , Yuhao Deng , Wenjie Hu , Zhenhua Dong , Jun Xu , Shengyu Zhu , Xiao-Hua Zhou
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