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Compute and Forward (CF) is a coding scheme which enables receivers to decode linear combinations of simultaneously transmitted messages while exploiting the linear properties of lattice codes and the additive nature of a shared medium. The…

信息论 · 计算机科学 2020-05-12 Ori Shmuel , Asaf Cohen , Omer Gurewitz

Spatially-coupled (SC) codes, known for their threshold saturation phenomenon and low-latency windowed decoding algorithms, are ideal for streaming applications and data storage systems. SC codes are constructed by partitioning an…

信息论 · 计算机科学 2021-09-21 Siyi Yang , Ahmed Hareedy , Robert Calderbank , Lara Dolecek

Coflow provides a key application-layer abstraction for capturing communication patterns, enabling the efficient coordination of parallel data flows to reduce job completion times in distributed systems. Modern data center networks (DCNs)…

分布式、并行与集群计算 · 计算机科学 2026-04-10 Xin Wang , Hong Shen , Hui Tian , Dong Wang

The multi-user linearly-separable distributed computing problem is considered here, in which $N$ servers help to compute the real-valued functions requested by $K$ users, where each function can be written as a linear combination of up to…

信息论 · 计算机科学 2023-01-10 Ali Khalesi , Sajad Daei , Marios Kountouris , Petros Elia

Code offloading refers to partitioning software and migrating the mobile codes to other computational entities for processing. Often when a large number of mobile codes need to be distributed to many heterogenous hosts, this can easily lead…

分布式、并行与集群计算 · 计算机科学 2020-08-31 Nevin Vunka Jungum , Nawaz Mohamudally , Nimal Nissanke

We introduce a new and increasingly relevant setting for distributed optimization in machine learning, where the data defining the optimization are distributed (unevenly) over an extremely large number of \nodes, but the goal remains to…

机器学习 · 计算机科学 2015-11-12 Jakub Konečný , Brendan McMahan , Daniel Ramage

We present a capacity-achieving coding scheme for unicast or multicast over lossy packet networks. In the scheme, intermediate nodes perform additional coding yet do not decode nor even wait for a block of packets before sending out coded…

信息论 · 计算机科学 2008-04-11 Desmond S. Lun , Muriel Medard , Ralf Koetter , Michelle Effros

Federated Learning (FL) is a distributed machine learning paradigm that enables learning models from decentralized local data. While FL offers appealing properties for clients' data privacy, it imposes high communication burdens for…

机器学习 · 计算机科学 2023-11-17 Saeed Khalilian , Vasileios Tsouvalas , Tanir Ozcelebi , Nirvana Meratnia

We consider the problem of designing decentralized schemes for coded caching. In this problem there are $K$ users each caching $M$ files out of a library of $N$ total files. The question is to minimize $R$, the number of broadcast…

信息论 · 计算机科学 2018-01-25 Yitao Chen , Karthikeyan Shanmugam , Alexandros G. Dimakis

Large-scale distributed computing systems often contain thousands of distributed nodes (machines). Monitoring the conditions of these nodes is important for system management purposes, which, however, can be extremely resource demanding as…

分布式、并行与集群计算 · 计算机科学 2019-05-23 Tiffany Tuor , Shiqiang Wang , Kin K. Leung , Bong Jun Ko

For more efficient generalization to unseen domains (classes), most Few-shot Segmentation (FSS) would directly exploit pre-trained encoders and only fine-tune the decoder, especially in the current era of large models. However, such fixed…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Hanbo Bi , Yingchao Feng , Wenhui Diao , Peijin Wang , Yongqiang Mao , Kun Fu , Hongqi Wang , Xian Sun

The Distributed Constraint Optimization Problem (DCOP) formulation is a powerful tool to model multi-agent coordination problems that are distributed by nature. The formulation is suitable for problems where variables are discrete and…

多智能体系统 · 计算机科学 2020-05-28 Khoi D. Hoang , William Yeoh , Makoto Yokoo , Zinovi Rabinovich

Coded computation techniques provide robustness against straggling servers in distributed computing, with the following limitations: First, they increase decoding complexity. Second, they ignore computations carried out by straggling…

机器学习 · 计算机科学 2018-11-29 Emre Ozfatura , Sennur Ulukus , Deniz Gunduz

Cache-aided coded multicast leverages side information at wireless edge caches to efficiently serve multiple unicast demands via common multicast transmissions, leading to load reductions that are proportional to the aggregate cache size.…

信息论 · 计算机科学 2018-06-14 Parisa Hassanzadeh , Antonia M. Tulino , Jaime Llorca , Elza Erkip

The following \textit{network computing} problem is considered. Source nodes in a directed acyclic network generate independent messages and a single receiver node computes a target function $f$ of the messages. The objective is to maximize…

信息论 · 计算机科学 2016-11-18 Rathinakumar Appuswamy , Massimo Franceschetti , Nikhil Karamchandani , Ken Zeger

Network coding permits to deploy distributed packet delivery algorithms that locally adapt to the network availability in media streaming applications. However, it may also increase delay and computational complexity if it is not…

多媒体 · 计算机科学 2016-11-17 Nicolae Cleju , Nikolaos Thomos , Pascal Frossard

Multicast allows sending a message to multiple recipients without having to create and send a separate message for each recipient. This preserves network bandwidth, which is particularly important in time-sensitive networks. These networks…

网络与互联网体系结构 · 计算机科学 2025-10-24 Heiko Geppert , Frank Dürr , Simon Naß , Kurt Rothermel

Anycast is an internet addressing protocol where multiple hosts share the same IP-address. A popular architecture for modern Content Distribution Networks (CDNs) for geo-replicated services consists of multiple layers of proxy nodes for…

网络与互联网体系结构 · 计算机科学 2016-03-02 Abhishek Sinha , Pradeepkumar Mani , Jie Liu , Ashley Flavel , Dave Maltz

We consider a standard distributed optimisation setting where $N$ machines, each holding a $d$-dimensional function $f_i$, aim to jointly minimise the sum of the functions $\sum_{i = 1}^N f_i (x)$. This problem arises naturally in…

机器学习 · 计算机科学 2021-12-08 Dan Alistarh , Janne H. Korhonen

We consider a distributed computing system in which a master node coordinates $N$ workers to evaluate a function over $n$ input files, where this function accepts general decomposition. In particular, we focus on the general case where the…

信息论 · 计算机科学 2026-04-21 Javad Maheri , K. K. Krishnan Namboodiri , Petros Elia