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While high data quality (DQ) is critical for analytics, compliance, and AI performance, data quality management (DQM) remains a complex, resource-intensive, and often manual process. This study investigates the extent to which existing…

Databases · Computer Science 2025-06-30 Heidi Carolina Tamm , Anastasija Nikiforova

The research discusses how (open) data quality could be described, what should be considered developing a data quality management solution and how it could be applied to open data to check its quality. The proposed approach focuses on…

Databases · Computer Science 2022-06-16 Anastasija Nikiforova

Recent advances in generating synthetic data that allow to add principled ways of protecting privacy -- such as Differential Privacy -- are a crucial step in sharing statistical information in a privacy preserving way. But while the focus…

Machine Learning · Statistics 2021-10-04 Christian Arnold , Marcel Neunhoeffer

In this paper, we delve into the critical aspect of dataset quality assessment in machine learning classification tasks. Leveraging a variety of nine distinct datasets, each crafted for classification tasks with varying complexity levels,…

Machine Learning · Computer Science 2023-06-28 Szymon Mazurek , Maciej Wielgosz

Poor data quality limits the advantageous power of Machine Learning (ML) and weakens high-performing ML software systems. Nowadays, data are more prone to the risk of poor quality due to their increasing volume and complexity. Therefore,…

Machine Learning · Computer Science 2025-02-20 Manal Rahal , Bestoun S. Ahmed , Gergely Szabados , Torgny Fornstedt , Jorgen Samuelsson

The increasing size and availability of web data make data quality a core challenge in many applications. Principles of data quality are recognized as essential to ensure that data fit for their intended use in operations, decision-making,…

Digital Libraries · Computer Science 2013-05-20 Ahmad Assaf , Aline Senart

The quality of data is context dependent. Starting from this intuition and experience, we propose and develop a conceptual framework that captures in formal terms the notion of "context-dependent data quality". We start by proposing a…

Databases · Computer Science 2016-08-16 Leopoldo Bertossi , Flavio Rizzolo

Effective data processing depends on the quality of the underlying data. However, quality issues such as inconsistencies and uncertainties, can significantly impede the processing and subsequent use of data. Despite the centrality of data…

Databases · Computer Science 2026-02-26 Markus Matoni , Arno Kesper , Gabriele Taentzer

Modern computer vision foundation models are trained on massive amounts of data, incurring large economic and environmental costs. Recent research has suggested that improving data quality can significantly reduce the need for data…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Benjamin Feuer , Chinmay Hegde

Data quality is commonly defined as fitness for use. The problem of identifying quality of data is faced by many data consumers. Data publishers often do not have the means to identify quality problems in their data. To make the task for…

Databases · Computer Science 2014-08-12 Jeremy Debattista , Christoph Lange , Sören Auer

The quality of training data has a huge impact on the efficiency, accuracy and complexity of machine learning tasks. Various tools and techniques are available that assess data quality with respect to general cleaning and profiling checks.…

Within data-driven artificial intelligence (AI) systems for industrial applications, ensuring the reliability of the incoming data streams is an integral part of trustworthy decision-making. An approach to assess data validity is data…

Databases · Computer Science 2024-08-14 Firas Bayram , Bestoun S. Ahmed , Erik Hallin

Artificial intelligence (AI) systems built on incomplete or biased data will often exhibit problematic outcomes. Current methods of data analysis, particularly before model development, are costly and not standardized. The Dataset Nutrition…

Databases · Computer Science 2018-05-11 Sarah Holland , Ahmed Hosny , Sarah Newman , Joshua Joseph , Kasia Chmielinski

Data exploration and quality analysis is an important yet tedious process in the AI pipeline. Current practices of data cleaning and data readiness assessment for machine learning tasks are mostly conducted in an arbitrary manner which…

Databases · Computer Science 2020-10-16 Shazia Afzal , Rajmohan C , Manish Kesarwani , Sameep Mehta , Hima Patel

High data quality is critical for reliable analytics and operational efficiency. A growing ecosystem of tools has emerged to support data quality management, ranging from lightweight open-source libraries to comprehensive enterprise…

Databases · Computer Science 2026-04-13 Tobias Rehberger , Thomas Hütter , Lisa Ehrlinger , Wolfram Wöß

The reliance on data-driven decision-making across sectors highlights the critical need for high-quality data; despite advancements, data quality issues persist, significantly impacting business strategies and scientific research. Current…

Databases · Computer Science 2024-10-22 Marcelo Valentim Silva , Hannes Herrmann , Valerie Maxville

The digital transformation of our society is a constant challenge, as data is generated in almost every digital interaction. To use data effectively, it must be of high quality. This raises the question: what exactly is data quality? A…

Databases · Computer Science 2025-04-03 Markus Matoni , Arno Kesper , Gabriele Taentzer

Data-driven Artificial Intelligence (AI) systems trained using Machine Learning (ML) are shaping an ever-increasing (in size and importance) portion of our lives, including, but not limited to, recommendation systems, autonomous driving…

Machine Learning · Computer Science 2024-06-06 Mohammed Djameleddine Belgoumri , Mohamed Reda Bouadjenek , Sunil Aryal , Hakim Hacid

Synthetic data generation with Large Language Models is a promising paradigm for augmenting natural data over a nearly infinite range of tasks. Given this variety, direct comparisons among synthetic data generation algorithms are scarce,…

Nowadays, data is becoming the new fuel for economic wealth and creation of novel and profitable business models. Multitude of technologies are contributing to an abundance of information sources which are already the baseline for…

Databases · Computer Science 2024-03-07 Laura Martín , Luis Sánchez , Jorge Lanza , Pablo Sotres