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In this paper we address several network design, clustering and Quality of Service (QoS) optimization problems and present novel, efficient, offline algorithms which compute optimal or near-optimal solutions. The QoS optimization problems…

Data Structures and Algorithms · Computer Science 2009-06-03 Mugurel Ionut Andreica , Eliana-Dina Tirsa , Alexandru Costan , Nicolae Tapus

3D DRAM has emerged as a promising approach for continued density scaling, but its viability is limited by routing and hybrid bonding constraints to periphery, which may degrade sensing margin, latency, and array efficiency. With device…

Hardware Architecture · Computer Science 2026-03-16 Kiseok Lee , Sungwon Cho , Seongkwang Lim , Suman Datta , Shimeng Yu

Next-generation IoT applications increasingly span across autonomous administrative entities, necessitating silo-cooperative scheduling to leverage diverse computational resources while preserving data privacy. However, realizing efficient…

Machine Learning · Computer Science 2026-03-17 Zhiyu Wang , Mohammad Goudarzi , Mingming Gong , Rajkumar Buyya

Co-designing efficient machine learning based systems across the whole hardware/software stack to trade off speed, accuracy, energy and costs is becoming extremely complex and time consuming. Researchers often struggle to evaluate and…

Machine Learning · Statistics 2018-01-22 Thierry Moreau , Anton Lokhmotov , Grigori Fursin

Online eXp-concave Optimization (OXO) is a fundamental problem in online learning, where the goal is to minimize regret when loss functions are exponentially concave. The standard algorithm, Online Newton Step (ONS), guarantees an optimal…

Machine Learning · Computer Science 2026-02-11 Yi-Han Wang , Peng Zhao , Zhi-Hua Zhou

In software-defined networking (SDN) systems, it is a common practice to adopt a multi-controller design and control devolution techniques to improve the performance of the control plane. However, in such systems, the decision-making for…

Networking and Internet Architecture · Computer Science 2020-08-05 Xi Huang , Yinxu Tang , Ziyu Shao , Yang Yang , Hong Xu

Compressed data aggregation (CDA) over wireless sensor networks (WSNs) is task-specific and subject to environmental changes. However, the existing compressed data aggregation (CDA) frameworks (e.g., compressed sensing-based data…

Signal Processing · Electrical Eng. & Systems 2024-07-26 Cheng-Wei Ching , Chirag Gupta , Zi Huang , Liting Hu

Getting a robust time-series clustering with best choice of distance measure and appropriate representation is always a challenge. We propose a novel mechanism to identify the clusters combining learned compact representation of…

Machine Learning · Computer Science 2021-01-12 Soma Bandyopadhyay , Anish Datta , Arpan Pal

Network reconstruction is important to the understanding and control of collective dynamics in complex systems. Most real networks exhibit sparsely connected properties, and the connection parameter is a signal (0 or 1). Well-known…

Physics and Society · Physics 2025-09-03 Lei Shi , Jie Hu , Libin Jin , Chen Shen , Huaiyu Tan , Dalei Yu

This paper proposes an architectural framework for the efficient orchestration of containers in cloud environments. It centres around resource scheduling and rescheduling policies as well as autoscaling algorithms that enable the creation…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-26 Rajkumar Buyya , Maria A. Rodriguez , Adel Nadjaran Toosi , Jaeman Park

Reducing serving cost and latency is a fundamental concern for the deployment of language models (LMs) in business applications. To address this, cascades of LMs offer an effective solution that conditionally employ smaller models for…

We study collaborative machine learning systems where a massive dataset is distributed across independent workers which compute their local gradient estimates based on their own datasets. Workers send their estimates through a multipath…

Information Theory · Computer Science 2021-03-22 Busra Tegin , Tolga M. Duman

To cater to the demands of our rapidly growing Internet traffic, backbone networks need high-degree reconfigurable optical add/drop multiplexers (ROADMs) to simultaneously support multiple pairs of bi-directional fibers on each link.…

Networking and Internet Architecture · Computer Science 2023-02-14 Jiemin Lin , Zeshan Chang , Liangjia Zong , Sanjay K. Bose , Tianhai Chang , Gangxiang Shen

We consider the problem of allocating radio resources over wireless communication links to control a series of independent wireless control systems. Low-latency transmissions are necessary in enabling time-sensitive control systems to…

Signal Processing · Electrical Eng. & Systems 2018-11-02 Mark Eisen , Mohammad M. Rashid , Konstantinos Gatsis , Dave Cavalcanti , Nageen Himayat , Alejandro Ribeiro

Composable data centers (DCs) have been proposed to enable greater efficiencies as the uptake of on-demand computing services grows. In this article we give an overview of composable DCs by discussing their enabling technologies, benefits,…

Networking and Internet Architecture · Computer Science 2021-06-10 Opeyemi O. Ajibola , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

Federated Learning (FL) has been considered as an appealing framework to tackle data privacy issues of mobile devices compared to conventional Machine Learning (ML). Using Edge Servers (ESs) as intermediaries to perform model aggregation in…

Machine Learning · Computer Science 2021-12-06 Zhe Qu , Rui Duan , Lixing Chen , Jie Xu , Zhuo Lu , Yao Liu

Fine-tuning large language models (LLMs) for specialized domains often necessitates a trade-off between acquiring domain expertise and retaining general reasoning capabilities, a phenomenon known as catastrophic forgetting. Existing…

Machine Learning · Computer Science 2026-02-09 Xiyang Zhang , Yuanhe Tian , Hongzhi Wang , Yan Song

Continuous scaling of the VLSI system leaves a great challenge on manufacturing and optical proximity correction (OPC) is widely applied in conventional design flow for manufacturability optimization. Traditional techniques conducted OPC by…

Hardware Architecture · Computer Science 2020-11-17 Guojin Chen , Wanli Chen , Yuzhe Ma , Haoyu Yang , Bei Yu

The introduction of silicon chipsets with the capability of processing incoming optical packet traffic, creates a new generation of packet-optical nodes, the whiteboxes. Their inherent functionality of carrying pluggable coherent…

Networking and Internet Architecture · Computer Science 2025-02-05 Constantine A. Kyriakopoulos

Emerging reconfigurable optical communication technologies allow to enhance datacenter topologies with demand-aware links optimized towards traffic patterns. This paper studies the algorithmic problem of jointly optimizing topology and…

Performance · Computer Science 2024-01-10 Wenkai Dai , Michael Dinitz , Klaus-Tycho Foerster , Long Luo , Stefan Schmid