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Data quality is a significant issue for any application that requests for analytics to support decision making. It becomes very important when we focus on Internet of Things (IoT) where numerous devices can interact to exchange and process…

Machine Learning · Computer Science 2020-07-30 Anna Karanika , Panagiotis Oikonomou , Kostas Kolomvatsos , Christos Anagnostopoulos

Due to the development of internet technology and computer science, data is exploding at an exponential rate. Big data brings us new opportunities and challenges. On the one hand, we can analyze and mine big data to discover hidden…

Databases · Computer Science 2020-05-12 Zhicheng Liu , Aoqian Zhang

Small- and medium-sized manufacturers need innovative data tools but, because of competition and privacy concerns, often do not want to share their proprietary data with researchers who might be interested in helping. This paper introduces…

Cryptography and Security · Computer Science 2025-07-03 Xiaoyu Ji , Jessica Shorland , Joshua Shank , Pascal Delpe-Brice , Latanya Sweeney , Jan Allebach , Ali Shakouri

Data is inherently dirty and there has been a sustained effort to come up with different approaches to clean it. A large class of data repair algorithms rely on data-quality rules and integrity constraints to detect and repair the data. A…

Databases · Computer Science 2017-12-29 El Kindi Rezig , Mourad Ouzzani , Walid G. Aref , Ahmed K. Elmagarmid , Ahmed R. Mahmood

Data values in a dataset can be missing or anomalous due to mishandling or human error. Analysing data with missing values can create bias and affect the inferences. Several analysis methods, such as principle components analysis or…

Artificial Intelligence · Computer Science 2022-05-11 Sandeep Hans , Diptikalyan Saha , Aniya Aggarwal

Data quality is vital for user experience in products reliant on data. As solutions for data quality problems, researchers have developed various taxonomies for different types of issues. However, although some of the existing taxonomies…

Databases · Computer Science 2024-05-28 Qiaolin Qin , Heng Li , Ettore Merlo

Data quality is a key element for building and optimizing good learning models. Despite many attempts to characterize data quality, there is still a need for rigorous formalization and an efficient measure of the quality from available…

Machine Learning · Computer Science 2023-12-14 Jouseau Roxane , Salva Sébastien , Samir Chafik

Reliable data is a cornerstone of modern organizational systems. A notable data integrity challenge stems from label bias, which refers to systematic errors in a label, a covariate that is central to a quantitative analysis, such that its…

Machine Learning · Computer Science 2025-07-15 Yunyi Li , Maria De-Arteaga , Maytal Saar-Tsechansky

The advent of modern technology, permitting the measurement of thousands of characteristics simultaneously, has given rise to floods of data characterized by many large or even huge datasets. This new paradigm presents extraordinary…

Methodology · Statistics 2019-02-14 A. M. Pires , J. A. Branco

Data-centric AI is at the center of a fundamental shift in software engineering where machine learning becomes the new software, powered by big data and computing infrastructure. Here software engineering needs to be re-thought where data…

Machine Learning · Computer Science 2022-12-27 Steven Euijong Whang , Yuji Roh , Hwanjun Song , Jae-Gil Lee

Data Cleaning refers to the process of detecting and fixing errors in the data. Human involvement is instrumental at several stages of this process, e.g., to identify and repair errors, to validate computed repairs, etc. There is currently…

Databases · Computer Science 2018-01-03 El Kindi Rezig , Mourad Ouzzani , Ahmed K. Elmagarmid , Walid G. Aref

Data contamination presents a critical barrier preventing widespread industrial adoption of advanced software engineering techniques that leverage code language models (CLMs). This phenomenon occurs when evaluation data inadvertently…

Software Engineering · Computer Science 2024-11-19 Jialun Cao , Songqiang Chen , Wuqi Zhang , Hau Ching Lo , Shing-Chi Cheung

Although an ever-growing number of applications employ deep learning based systems for prediction, decision-making, or state estimation, almost no certification processes have been established that would allow such systems to be deployed in…

Machine Learning · Computer Science 2024-03-25 Romeo Valentin

In enterprise data pipelines, data insertions occur periodically and may impact downstream services if data quality issues are not addressed. Typically, such problems can be investigated and fixed by on-call engineers, but locating the…

Databases · Computer Science 2024-08-07 Xinwei Lin , Jing Zhao , Peng Di , Chuan Xiao , Rui Mao , Yan Ji , Makoto Onizuka , Zishuo Ding , Weiyi Shang , Jianbin Qin

With the proliferation of increasingly complicated Deep Learning architectures, data synthesis is a highly promising technique to address the demand of data-hungry models. However, reliably assessing the quality of a 'synthesiser' model's…

Machine Learning · Computer Science 2025-05-05 Julia A. Meister , Khuong An Nguyen

In the current competitive world, industrial companies seek to manufacture products of higher quality which can be achieved by increasing reliability, maintainability and thus the availability of products. On the other hand, improvement in…

Machine Learning · Computer Science 2012-01-31 Golriz Amooee , Behrouz Minaei-Bidgoli , Malihe Bagheri-Dehnavi

Data quality is paramount in today's data-driven world, especially in the era of generative AI. Dirty data with errors and inconsistencies usually leads to flawed insights, unreliable decision-making, and biased or low-quality outputs from…

Databases · Computer Science 2025-04-01 Wei Ni , Xiaoye Miao , Xiangyu Zhao , Yangyang Wu , Jianwei Yin

Context: Specification mining techniques are typically used to extract the specification of a software in the absence of (up-to-date) specification documents. This is useful for program comprehension, testing, and anomaly detection.…

Software Engineering · Computer Science 2019-05-09 Mohammad Jafar Mashhadi , Taha R. Siddiqui , Hadi Hemmati , Howard Loewen

Classifying samples in incomplete datasets is a common aim for machine learning practitioners, but is non-trivial. Missing data is found in most real-world datasets and these missing values are typically imputed using established methods,…

As scientific progress highly depends on the quality of research data, there are strict requirements for data quality coming from the scientific community. A major challenge in data quality assurance is to localise quality problems that are…

Information Retrieval · Computer Science 2020-07-24 Arno Kesper , Viola Wenz , Gabriele Taentzer