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This article addresses the generation of the ETL operators(Extract-Transform-Load) for supplying a Data Warehouse from a relational data source. As a first step, we add new rules to those proposed by the authors of [1], these rules deal…

Databases · Computer Science 2012-12-27 Wided Bakari , Mouez Ali , Hanene Ben-Abdallah

In data warehousing, Extract-Transform-Load (ETL) extracts the data from data sources into a central data warehouse regularly for the support of business decision-makings. The data from transaction processing systems are featured with the…

Databases · Computer Science 2014-09-16 Xiufeng Liu

The Extract, Transform, Load (ETL) workflow is fundamental for populating and maintaining data warehouses and other data stores accessed by analysts for downstream tasks. A major shortcoming of modern ETL solutions is the extensive need for…

Software Engineering · Computer Science 2025-08-01 Mattia Di Profio , Mingjun Zhong , Yaji Sripada , Marcel Jaspars

Extract-Transform-Load (ETL) handles large amount of data and manages workload through dataflows. ETL dataflows are widely regarded as complex and expensive operations in terms of time and system resources. In order to minimize the time and…

Databases · Computer Science 2014-09-08 Xiufeng Liu

With the rapid growth of global e-commerce, the demand for automation in the logistics industry is increasing. This study focuses on automated picking systems in warehouses, utilizing deep learning and reinforcement learning technologies to…

Robotics · Computer Science 2026-02-10 Keqin Li , Jin Wang , Xubo Wu , Xirui Peng , Runmian Chang , Xiaoyu Deng , Yiwen Kang , Yue Yang , Fanghao Ni , Bo Hong

Machine-learning from a disparate set of tables, a data lake, requires assembling features by merging and aggregating tables. Data discovery can extend autoML to data tables by automating these steps. We present an in-depth analysis of such…

Databases · Computer Science 2025-05-20 Riccardo Cappuzzo , Aimee Coelho , Felix Lefebvre , Paolo Papotti , Gael Varoquaux

To address the challenges associated with data processing at scale, we propose Dataverse, a unified open-source Extract-Transform-Load (ETL) pipeline for large language models (LLMs) with a user-friendly design at its core. Easy addition of…

Computation and Language · Computer Science 2025-03-05 Hyunbyung Park , Sukyung Lee , Gyoungjin Gim , Yungi Kim , Dahyun Kim , Chanjun Park

In [1, 2], we have explored the theoretical aspects of feature extraction optimization processes for solving largescale problems and overcoming machine learning limitations. Majority of optimization algorithms that have been introduced in…

Machine Learning · Computer Science 2019-08-28 Farid Ghareh Mohammadi , M. Hadi Amini , Hamid R. Arabnia

Multi-task learning (MTL) is a machine learning technique aiming to improve model performance by leveraging information across many tasks. It has been used extensively on various data modalities, including electronic health record (EHR)…

Machine Learning · Computer Science 2020-07-21 Matthew B. A. McDermott , Bret Nestor , Evan Kim , Wancong Zhang , Anna Goldenberg , Peter Szolovits , Marzyeh Ghassemi

The competitive dynamics of the globalized market demand information on the internal and external reality of corporations. Information is a precious asset and is responsible for establishing key advantages to enable companies to maintain…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-07-17 Gustavo V. Machado , Ítalo Cunha , Adriano C. M. Pereira , Leonardo B. Oliveira

It is becoming common to archive research datasets that are not only large but also numerous. In addition, their corresponding metadata and the software required to analyse or display them need to be archived. Yet the manual curation of…

Digital Libraries · Computer Science 2011-08-24 Daniel Lemire , Andre Vellino

The process of preparing potentially large and complex data sets for further analysis or manual examination is often called data wrangling. In classical warehousing environments, the steps in such a process have been carried out using…

Extract-Transform-Load (ETL) processes are core components of modern data processing infrastructures. The throughput of processed data records can be adjusted by changing the amount of allocated resources, i.e.~the number of parallel…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-01 Levin Maier , Lucas Schulze , Robert Lilow , Lukas Hahn , Nikola Krasowski , Arnulf Barth , Sebastian Gaebel , Ferdi Güran , Oliver Hanau , Giovanni Wagner , Falk Borgmann , Oleg Arenz , Jan Peters

The popularity of the Semantic Web (SW) encourages organizations to organize and publish semantic data using the RDF model. This growth poses new requirements to Business Intelligence (BI) technologies to enable On-Line Analytical…

Databases · Computer Science 2024-03-19 Rudra Pratap Deb Nath , Oscar Romero , Torben Bach Pedersen , Katja Hose

The vast advances in Machine Learning over the last ten years have been powered by the availability of suitably prepared data for training purposes. The future of ML-enabled enterprise hinges on data. As such, there is already a vibrant…

Databases · Computer Science 2021-06-02 Yifan Li , Xiaohui Yu , Nick Koudas

Data preparation, also called data wrangling, is considered one of the most expensive and time-consuming steps when performing analytics or building machine learning models. Preparing data typically involves collecting and merging data from…

Computation and Language · Computer Science 2023-06-22 Michael Glass , Xueqing Wu , Ankita Rajaram Naik , Gaetano Rossiello , Alfio Gliozzo

Data Pipeline plays an indispensable role in tasks such as modeling machine learning and developing data products. With the increasing diversification and complexity of Data sources, as well as the rapid growth of data volumes, building an…

Machine Learning · Computer Science 2024-02-21 Jiang Wu , Hongbo Wang , Chunhe Ni , Chenwei Zhang , Wenran Lu

High-frequency trading (HFT) represents a pivotal and intensely competitive domain within the financial markets. The velocity and accuracy of data processing exert a direct influence on profitability, underscoring the significance of this…

Machine Learning · Computer Science 2024-12-03 Yuxin Fan , Zhuohuan Hu , Lei Fu , Yu Cheng , Liyang Wang , Yuxiang Wang

Modern approach to artificial intelligence (AI) aims to design algorithms that learn directly from data. This approach has achieved impressive results and has contributed significantly to the progress of AI, particularly in the sphere of…

Machine Learning · Computer Science 2024-03-20 Alhassan Mumuni , Fuseini Mumuni

We introduce a novel framework for developing fully-automated trading model algorithms. Unlike the traditional approach, which is grounded in analytical complexity favored by most quantitative analysts, we propose a paradigm shift that…

Trading and Market Microstructure · Quantitative Finance 2025-01-13 James B. Glattfelder , Thomas Houweling , Richard B. Olsen
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