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We describe several algorithms for matrix completion and matrix approximation when only some of its entries are known. The approximation constraint can be any whose approximated solution is known for the full matrix. For low rank…

数值分析 · 数学 2014-07-01 Gil Shabat , Yaniv Shmueli , Amir Averbuch

We consider a general class of low complexity distributed scheduling algorithms in wireless networks, maximal scheduling with priorities, where a maximal set of transmitting links in each time slot are selected according to certain…

信息论 · 计算机科学 2011-12-05 Qiao Li , Rohit Negi

Coordinating multiple agents to collaboratively maximize submodular functions in unpredictable environments is a critical task with numerous applications in machine learning, robot planning and control. The existing approaches, such as the…

多智能体系统 · 计算机科学 2025-02-10 Qixin Zhang , Zongqi Wan , Yu Yang , Li Shen , Dacheng Tao

This paper focuses on achieving optimal multi-user channel access in distributed networks using a reconfigurable intelligent surface (RIS). The network includes wireless channels with direct links between users and RIS links connecting…

信息论 · 计算机科学 2023-09-25 Zhou Zhang , Saman Atapattu , Yizhu Wang , Marco Di Renzo

The problem of finding a minimum-weight connected dominating set (CDS) of a given undirected graph has been studied actively, motivated by operations of wireless ad hoc networks. In this paper, we formulate a new stochastic variant of the…

数据结构与算法 · 计算机科学 2020-01-01 Takuro Fukunaga

In this paper, we study the transport capacity of large multi-hop wireless CSMA networks. Different from previous studies which rely on the use of centralized scheduling algorithm and/or centralized routing algorithm to achieve the optimal…

网络与互联网体系结构 · 计算机科学 2016-11-17 Tao Yang , Guoqiang Mao , Wei Zhang , Xiaofeng Tao

A MapReduce algorithm can be described by a mapping schema, which assigns inputs to a set of reducers, such that for each required output there exists a reducer that receives all the inputs that participate in the computation of this…

数据库 · 计算机科学 2016-10-21 Foto Afrati , Shlomi Dolev , Ephraim Korach , Shantanu Sharma , Jeffrey D. Ullman

A generalization of the Gaussian dirty-paper problem to a multiple access setup is considered. There are two additive interference signals, one known to each transmitter but none to the receiver. The rates achievable using Costa's…

信息论 · 计算机科学 2009-04-14 Tal Philosof , Ram Zamir , Uri Erez , Ashish Khisti

This thesis focuses on link scheduling in wireless mesh networks by taking into account physical layer characteristics. The assumption made throughout is that a packet is received successfully only if the Signal to Interference and Noise…

网络与互联网体系结构 · 计算机科学 2008-12-31 Ashutosh Deepak Gore

Given a wireless network where some pairs of communication links interfere with each other, we study sufficient conditions for determining whether a given set of minimum bandwidth quality-of-service (QoS) requirements can be satisfied. We…

信息论 · 计算机科学 2015-12-11 Ashwin Ganesan

Set cover, over a universe of size $n$, may be modelled as a data-streaming problem, where the $m$ sets that comprise the instance are to be read one by one. A semi-streaming algorithm is allowed only $O(n\, \mathrm{poly}\{\log n, \log…

计算复杂性 · 计算机科学 2015-08-11 Amit Chakrabarti , Anthony Wirth

Mutually connected components (MCCs) play an important role as a measure of resilience in the study of interdependent networks. Despite their importance, an efficient algorithm to obtain the statistics of all MCCs during the removal of…

统计力学 · 物理学 2015-02-25 S. Hwang , S. Choi , Deokjae Lee , B. Kahng

The (maximum receiver-centric) interference of a geometric graph (von Rickenbach etal (2005)) is studied. It is shown that, with high probability, the following results hold for a set, V, of n points independently and uniformly distributed…

计算几何 · 计算机科学 2012-06-13 Luc Devroye , Pat Morin

This dissertation is a study on the design and analysis of novel, optimal routing and rate control algorithms in wireless, mobile communication networks. Congestion control and routing algorithms upto now have been designed and optimized…

网络与互联网体系结构 · 计算机科学 2012-01-20 Jung Ryu

Genetic algorithms are high-level heuristic optimization methods which enjoy great popularity thanks to their intuitive description, flexibility, and, of course, effectiveness. The optimization procedure is based on the evolution of…

概率论 · 数学 2026-03-27 Giacomo Borghi

The problem of interference management is considered in the context of a linear interference network that is subject to long term channel fluctuations due to shadow fading. The fading model used is one where each link in the network is…

信息论 · 计算机科学 2018-07-18 Tolunay Seyfi , Yasemin Karacora , Aly El Gamal

This book chapter introduces the use of Continuous Time Markov Networks (CTMN) to analytically capture the operation of Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) networks. It is of tutorial nature, and it aims to be…

网络与互联网体系结构 · 计算机科学 2014-05-15 B. Bellalta , A. Zocca , C. Cano , A. Checco , J. Barcelo , A. Vinel

We prove the tightest-known upper bounds on the sample complexity of multi-group learning. Our algorithm extends the one-inclusion graph prediction strategy using a generalization of bipartite $b$-matching. In the group-realizable setting,…

机器学习 · 计算机科学 2026-04-10 Noah Bergam , Samuel Deng , Daniel Hsu

This paper considers the problem of randomized influence maximization over a Markovian graph process: given a fixed set of nodes whose connectivity graph is evolving as a Markov chain, estimate the probability distribution (over this fixed…

社会与信息网络 · 计算机科学 2017-11-10 Buddhika Nettasinghe , Vikram Krishnamurthy

Recent studies on MAC scheduling have shown that carrier sense multiple access (CSMA) algo- rithms can be throughput optimal for arbitrary wireless network topology. However, these results are highly sensitive to the underlying assumption…

网络与互联网体系结构 · 计算机科学 2013-06-11 Se-Young Yun , Jinwoo Shin , Yung Yi