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Data warehousing is continuously gaining importance as organizations are realizing the benefits of decision oriented data bases. However, the stumbling block to this rapid development is data quality issues at various stages of data…

Databases · Computer Science 2013-10-09 Vinay Kumar , Reema Thareja

Understanding the influence of hyperparameters on the performance of a machine learning algorithm is an important scientific topic in itself and can help to improve automatic hyperparameter tuning procedures. Unfortunately, experimental…

Machine Learning · Statistics 2018-10-22 Daniel Kühn , Philipp Probst , Janek Thomas , Bernd Bischl

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

Research data are often released upon journal publication to enable result verification and reproducibility. For that reason, research dissemination infrastructures typically support diverse datasets coming from numerous disciplines, from…

Digital Libraries · Computer Science 2023-05-29 Ana Trisovic

While scientists increasingly recognize the importance of metadata in describing their data, spreadsheets remain the preferred tool for supplying this information despite their limitations in ensuring compliance and quality. Various tools…

Digital Libraries · Computer Science 2023-12-15 Martin J. O'Connor , Marcos Martínez-Romero , Mete Ugur Akdogan , Josef Hardi , Mark A. Musen

Bibliometrics, whether used for research or research evaluation, relies on large multidisciplinary databases of research outputs and citation indices. The Web of Science (WoS) was the main supporting infrastructure of the field for more…

Digital Libraries · Computer Science 2025-08-27 Philippe Mongeon , Madelaine Hare , Poppy Riddle , Summer Wilson , Geoff Krause , Rebecca Marjoram , Rémi Toupin

Digital libraries often face the challenge of processing a large volume of diverse document types. The manual collection and tagging of metadata can be a time-consuming and error-prone task. To address this, we aim to develop an automatic…

Choosing the right and effective way to assess students is one of the most important tasks of higher education. Many studies have shown that students tend to receive higher scores during their studies when assessed by different study…

Computers and Society · Computer Science 2020-09-15 Mohammed A. Alsuwaiket , Anas H. Blasi , Khawla Altarawneh

Autonomous driving has rapidly developed and shown promising performance due to recent advances in hardware and deep learning techniques. High-quality datasets are fundamental for developing reliable autonomous driving algorithms. Previous…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Mingyu Liu , Ekim Yurtsever , Jonathan Fossaert , Xingcheng Zhou , Walter Zimmer , Yuning Cui , Bare Luka Zagar , Alois C. Knoll

The term Data Space, understood as the secure exchange of data in distributed systems, ensuring openness, transparency, decentralization, sovereignty, and interoperability of information, has gained importance during the last years.…

Databases · Computer Science 2024-02-13 Javier Conde , Alejandro Pozo , Andrés Munoz-Arcentales , Johnny Choque , Álvaro Alonso

In materials sciences, a large amount of research data is generated through a broad spectrum of different experiments. As of today, experimental research data including meta-data in materials science is often stored decentralized by the…

Databases · Computer Science 2015-01-07 Thorsten Wuest , Rainer Tinscher , Robert Porzel , Klaus-Dieter Thoben

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

In an era overwhelmed by vast amounts of data, the effective curation of web-crawl datasets is essential for optimizing model performance. This paper tackles the challenges associated with the unstructured and heterogeneous nature of such…

Machine Learning · Computer Science 2025-06-13 Jinda Xu , Yuhao Song , Daming Wang , Weiwei Zhao , Minghua Chen , Kangliang Chen , Qinya Li

As the cloud is pushed to the edge of the network, resource allocation for user experience improvement in mobile edge clouds (MEC) is increasingly important and faces multiple challenges. This paper studies quality of experience…

Signal Processing · Electrical Eng. & Systems 2024-04-09 Liqun Fu , Jingwen Tong , Tongtong Lin , Jun Zhang

This paper presents a meta-learning based, automatic distribution system load forecasting model selection framework. The framework includes the following processes: feature extraction, candidate model labeling, offline training, and online…

Systems and Control · Electrical Eng. & Systems 2021-04-19 Yiyan Li , Si Zhang , Rongxing Hu , Ning Lu

Now-a-days the amount of data stored in educational database increasing rapidly. These databases contain hidden information for improvement of students' performance. The performance in higher education in India is a turning point in the…

Information Retrieval · Computer Science 2012-01-18 Brijesh Kumar Bhardwaj , Saurabh Pal

The impressive multimodal capabilities demonstrated by OpenAI's GPT-4 have generated significant interest in the development of Multimodal Large Language Models (MLLMs). Visual instruction tuning of MLLMs with machine-generated…

Machine Learning · Computer Science 2025-06-03 Biao Wu , Ling Chen

Introduction: Scholarly research spans multiple languages, making multilingual metadata crucial for organizing and accessing knowledge across linguistic boundaries. These multilingual metadata already exist and are propagated throughout…

Digital Libraries · Computer Science 2025-03-18 Dennis Donathan , Mike Nason , Marco Tullney , Julie Shi , Juan Pablo Alperin

Selecting high-quality pre-training data is important for creating capable language models, but existing methods rely on simple heuristics. We introduce QuRating, a method for selecting pre-training data that can capture human intuitions…

Computation and Language · Computer Science 2024-07-19 Alexander Wettig , Aatmik Gupta , Saumya Malik , Danqi Chen

Metadata are critical in epidemiological and public health research. However, a lack of biomedical metadata quality frameworks and limited awareness of the implications of poor quality metadata renders data analyses problematic. In this…

Digital Libraries · Computer Science 2016-08-23 Christiana McMahon , Spiros Denaxas