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Optimization-based decision support systems have a significant potential to reduce delays, and thus improve efficiency on the railways, by automatically re-routing and re-scheduling trains after delays have occurred. The operations research…

Artificial Intelligence · Computer Science 2025-09-17 Oddvar Kloster , Bjørnar Luteberget , Carlo Mannino , Giorgio Sartor

A large amount of data is produced every second from modern information systems such as mobile devices, the world wide web, Internet of Things, social media, etc. Analysis and mining of this massive data requires a lot of advanced tools and…

Machine Learning · Computer Science 2020-01-13 Rising Odegua , Festus Ikpotokin

Due to the pervasive diffusion of personal mobile and IoT devices, many ``smart environments'' (e.g., smart cities and smart factories) will be, among others, generators of huge amounts of data. Currently, this is typically achieved through…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-09-28 Lorenzo Valerio , Andrea Passarella , Marco Conti

Subsampling from a large data set is useful in many supervised learning contexts to provide a global view of the data based on only a fraction of the observations. Diverse (or space-filling) subsampling is an appealing subsampling approach…

Methodology · Statistics 2023-11-27 Boyang Shang , Daniel W. Apley , Sanjay Mehrotra

The ability to collect and analyze large amounts of data is a growing problem within the scientific community. The growing gap between data and users calls for innovative tools that address the challenges faced by big data volume, velocity…

In the current era of Big Data, data engineering has transformed into an essential field of study across many branches of science. Advancements in Artificial Intelligence (AI) have broadened the scope of data engineering and opened up new…

Link prediction is widely used in a variety of industrial applications, such as merchant recommendation, fraudulent transaction detection, and so on. However, it's a great challenge to train and deploy a link prediction model on…

Social and Information Networks · Computer Science 2020-03-11 Dalong Zhang , Xianzheng Song , Ziqi Liu , Zhiqiang Zhang , Xin Huang , Lin Wang , Jun Zhou

The increasingly collaborative, globalized nature of scientific research combined with the need to share data and the explosion in data volumes present an urgent need for a scientific data management system (SDMS). An SDMS presents a…

Databases · Computer Science 2020-04-09 Dale Stansberry , Suhas Somnath , Jessica Breet , Gregory Shutt , Mallikarjun Shankar

The growing volume of scientific simulation data presents a significant challenge for storage and transfer. Error-bounded lossy compression has emerged as a critical solution for mitigating these challenges, providing a means to reduce data…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-29 Arshan Khan , Rohit Deshmukh , Ben O'Neill

Memory disaggregation (MD) allows for scalable and elastic data center design by separating compute (CPU) from memory. With MD, compute and memory are no longer coupled into the same server box. Instead, they are connected to each other via…

Databases · Computer Science 2022-07-08 Ruihong Wang , Jianguo Wang , Stratos Idreos , M. Tamer Özsu , Walid G. Aref

Microservice and serverless computing systems open up massive versatility and opportunity to distributed and datacenter-scale computing. In the meantime, the deployments of modern datacenter resources are moving to disaggregated…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-26 Xiaoyi Lu , Arjun Kashyap

Data mining algorithms are originally designed by assuming the data is available at one centralized site.These algorithms also assume that the whole data is fit into main memory while running the algorithm. But in today's scenario the data…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-12-03 Aruna Govada , Bhavul Gauri , S. K. Sahay

Data science pipelines commonly utilize dataframe and array operations for tasks such as data preprocessing, analysis, and machine learning. The most popular tools for these tasks are pandas and NumPy. However, these tools are limited to…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-20 Weizheng Lu , Kaisheng He , Xuye Qin , Chengjie Li , Zhong Wang , Tao Yuan , Xia Liao , Feng Zhang , Yueguo Chen , Xiaoyong Du

Indexing is an effective way to support efficient query processing in large databases. Recently the concept of learned index, which replaces or complements traditional index structures with machine learning models, has been actively…

Databases · Computer Science 2022-08-01 Yao Tian , Tingyun Yan , Xi Zhao , Kai Huang , Xiaofang Zhou

Clustering techniques are very attractive for extracting and identifying patterns in datasets. However, their application to very large spatial datasets presents numerous challenges such as high-dimensionality data, heterogeneity, and high…

Databases · Computer Science 2018-02-27 Malika Bendechache , Nhien-An Le-Khac , M-Tahar Kechadi

Large volumes of data generated by scientific experiments and simulations come in the form of arrays, while programs that analyze these data are frequently expressed in terms of array operations in an imperative, loop-based language. But,…

Databases · Computer Science 2020-03-24 Leonidas Fegaras , Md Hasanuzzaman Noor

Medical time-series data captures the dynamic progression of patient conditions, playing a vital role in modern clinical decision support systems. However, real-world clinical data is highly heterogeneous and inconsistently formatted.…

Machine Learning · Computer Science 2026-04-01 Zhongheng Jiang , Yuechao Zhao , Donglin Xie , Chenxi Sun , Rongchen Lu , Silu Luo , Zisheng Liang , Shenda Hong

While deep learning excels in natural image and language processing, its application to high-dimensional data faces computational challenges due to the dimensionality curse. Current large-scale data tools focus on business-oriented…

Machine Learning · Computer Science 2025-07-01 Chen Zhang

A common task in Earth Sciences is to infer climate information at local and regional scales from global climate models. Dynamical downscaling requires running expensive numerical models at high resolution which can be prohibitive due to…

Machine Learning · Computer Science 2022-05-19 Carlos Alberto Gomez Gonzalez

Distributed data mining (DDM) deals with the problem of finding patterns or models, called knowledge, in an environment with distributed data and computations. Today, a massive amounts of data which are often geographically distributed and…

Artificial Intelligence · Computer Science 2019-10-24 Nhien-An Le-Khac , Lamine M. Aouad , M-Tahar Kechadi