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As computer simulations continue to grow in size and complexity, they present a particularly challenging class of big data problems. Many application areas are moving toward exascale computing systems, systems that perform $10^{18}$ FLOPS…

Federated edge learning (FEEL) enables wireless devices to collaboratively train a centralised model without sharing raw data, but repeated uplink transmission of model updates makes communication the dominant bottleneck. Over-the-air (OTA)…

Information Theory · Computer Science 2025-12-24 Antonio Tarizzo , Mohammad Kazemi , Deniz Gündüz

Modern cloud databases present scaling as a binary decision: scale-out by adding nodes or scale-up by increasing per-node resources. This one-dimensional view is limiting because database performance, cost, and coordination overhead emerge…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-05 Shahir Abdullah , Syed Rohit Zaman

In the era of the big data, we create and collect lots of data from all different kinds of sources: the Internet, the sensors, the consumer market, and so on. Many of the data are coming sequentially, and would like to be processed and…

Machine Learning · Computer Science 2020-10-01 Jianjun Yuan

Arguably data is the new natural resource in the enterprise world with an unprecedented degree of proliferation. But to derive real-time actionable insights from the data, it is important to bridge the gap between managing the data that is…

Databases · Computer Science 2017-02-28 Mohammad Sadoghi , Souvik Bhattacherjee , Bishwaranjan Bhattacharjee , Mustafa Canim

The amount of data in our society has been exploding in the era of big data today. In this paper, we address several open challenges of big data stream classification, including high volume, high velocity, high dimensionality, high…

Machine Learning · Computer Science 2015-07-28 Dayong Wang , Pengcheng Wu , Peilin Zhao , Steven C. H. Hoi

While stochastic bilevel optimization methods have been extensively studied for addressing large-scale nested optimization problems in machine learning, it remains an open question whether the optimal complexity bounds for solving bilevel…

Optimization and Control · Mathematics 2026-03-24 Tianshu Chu , Dachuan Xu , Wei Yao , Jin Zhang

Online Network Resource Allocation (ONRA) for service provisioning is a fundamental problem in communication networks. As a sequential decision-making under uncertainty problem, it is promising to approach ONRA via Reinforcement Learning…

Networking and Internet Architecture · Computer Science 2021-10-19 Bahador Bakhshi , Josep Mangues-Bafalluy

Data-intensive applications often require exploratory analysis of large datasets. If analysis is performed on distributed resources, data locality can be crucial to high throughput and performance. We propose a "data diffusion" approach…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-11-17 Ioan Raicu , Yong Zhao , Ian Foster , Alex Szalay

LoRaWAN is a compelling low-cost solution for large-scale indoor Internet of Things (IoT) data backhaul, owing to its strong penetration capability and low power consumption. However, its default pure ALOHA access mechanism leads to severe…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Junxiao Liu , Xinyu Fan , Luping Xiang , Kun Yang

We propose an online debiased lasso (ODL) method for statistical inference in high-dimensional linear models with streaming data. The proposed ODL consists of an efficient computational algorithm for streaming data and approximately normal…

Statistics Theory · Mathematics 2021-08-20 Ruijian Han , Lan Luo , Yuanyuan Lin , Jian Huang

In the current world, OLAP (Online Analytical Processing) is used intensively by modern organizations to perform ad hoc analysis of data, providing insight for better decision making. Thus, the performance for OLAP is crucial; however, it…

Databases · Computer Science 2022-04-15 Pritom Saha Akash , Wei-Cheng Lai , Po-Wen Lin

This paper considers a class of real-time stochastic optimization problems dependent on an unknown probability distribution. In the considered scenario, data is streaming frequently while trying to reach a decision. Thus, we aim to devise a…

Optimization and Control · Mathematics 2020-09-08 Dan Li , Sonia Martinez

In applying reinforcement learning (RL) to high-stakes domains, quantitative and qualitative evaluation using observational data can help practitioners understand the generalization performance of new policies. However, this type of…

Machine Learning · Computer Science 2023-10-27 Shengpu Tang , Jenna Wiens

Online continual learning aims to get closer to a live learning experience by learning directly on a stream of data with temporally shifting distribution and by storing a minimum amount of data from that stream. In this empirical…

With increasing processing power, deploying AI models for remote sensing directly onboard satellites is becoming feasible. However, new constraints arise, mainly when using raw, unprocessed sensor data instead of preprocessed ground-based…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Adrien Dorise , Marjorie Bellizzi , Adrien Girard , Benjamin Francesconi , Stéphane May

Hybrid complex analytics workloads typically include (i) data management tasks (joins, selections, etc. ), easily expressed using relational algebra (RA)-based languages, and (ii) complex analytics tasks (regressions, matrix decompositions,…

Databases · Computer Science 2021-03-24 Rana Alotaibi , Bogdan Cautis , Alin Deutsch , Ioana Manolescu

Offline multi-agent reinforcement learning (MARL) is an emerging field with great promise for real-world applications. Unfortunately, the current state of research in offline MARL is plagued by inconsistencies in baselines and evaluation…

Machine Learning · Computer Science 2024-10-31 Claude Formanek , Callum Rhys Tilbury , Louise Beyers , Jonathan Shock , Arnu Pretorius

Sampling from high-dimensional probability distributions is fundamental in machine learning and statistics. As datasets grow larger, computational efficiency becomes increasingly important, particularly in reducing adaptive complexity,…

Data Structures and Algorithms · Computer Science 2025-09-23 Huanjian Zhou , Masashi Sugiyama

Machine learning algorithms are commonly specified in linear algebra (LA). LA expressions can be rewritten into more efficient forms, by taking advantage of input properties such as sparsity, as well as program properties such as common…

Databases · Computer Science 2020-12-24 Yisu Remy Wang , Shana Hutchison , Jonathan Leang , Bill Howe , Dan Suciu