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In this letter, we consider a distributed submodular maximization problem for multi-robot systems when attacked by adversaries. One of the major challenges for multi-robot systems is to increase resilience against failures or attacks. This…

机器人学 · 计算机科学 2021-11-19 Jun Liu , Lifeng Zhou , Pratap Tokekar , Ryan K. Williams

We consider the fundamental problem of multiple stations competing to transmit on a multiple access channel (MAC). We are given $n$ stations out of which at most $d$ are active and intend to transmit a message to other stations using MAC.…

数据结构与算法 · 计算机科学 2013-08-06 Shailesh Vaya

We consider a decentralized optimization problem for networks affected by communication delays. Examples of such networks include collaborative machine learning, sensor networks, and multi-agent systems. To mimic communication delays, we…

机器学习 · 计算机科学 2024-10-03 Tomas Ortega , Hamid Jafarkhani

We consider distributed online learning for joint regret with communication constraints. In this setting, there are multiple agents that are connected in a graph. Each round, an adversary first activates one of the agents to issue a…

机器学习 · 计算机科学 2021-10-26 Dirk van der Hoeven , Hédi Hadiji , Tim van Erven

We study Matching and other related problems in a partial information setting where the agents' utilities for being matched to other agents are hidden and the mechanism only has access to ordinal preference information. Our model is…

计算机科学与博弈论 · 计算机科学 2016-08-03 Elliot Anshelevich , Shreyas Sekar

Classifiers such as deep neural networks have been shown to be vulnerable against adversarial perturbations on problems with high-dimensional input space. While adversarial training improves the robustness of image classifiers against such…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Chaithanya Kumar Mummadi , Thomas Brox , Jan Hendrik Metzen

We study the classic fully dynamic load balancing problem on unrelated machines where jobs arrive and depart over time and the goal is minimizing the maximum load, or more generally the l_p-norm of the load vector. Previous work either…

数据结构与算法 · 计算机科学 2025-12-16 Yossi Azar , Niv Buchbinder , Tomer Epshtein

We study broadcast in multiple access channels in dynamic adversarial settings. There is an unbounded supply of anonymous stations attached to a synchronous channel. There is an adversary who injects packets into stations to be broadcast on…

网络与互联网体系结构 · 计算机科学 2018-07-19 Lakshmi Anantharamu , Bogdan S. Chlebus

In this work, we study the multi-agent decision problem where agents try to coordinate to optimize a given system-level objective. While solving for the global optimal is intractable in many cases, the greedy algorithm is a well-studied and…

多智能体系统 · 计算机科学 2022-12-01 Rohit Konda , David Grimsman , Jason Marden

We consider the distributed optimization problem, where a group of agents work together to optimize a common objective by communicating with neighboring agents and performing local computations. For a given algorithm, we use tools from…

最优化与控制 · 数学 2020-09-11 Bryan Van Scoy , Laurent Lessard

It has been widely substantiated that deep neural networks (DNNs) are susceptible and vulnerable to adversarial perturbations. Existing studies mainly focus on performing attacks by corrupting targeted objects (physical attack) or images…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Jiawei Lian , Shaohui Mei , Xiaofei Wang , Yi Wang , Lefan Wang , Yingjie Lu , Mingyang Ma , Lap-Pui Chau

In this paper we consider a defending problem on a network. In the model, the defender holds a total defending resource of R, which can be distributed to the nodes of the network. The defending resource allocated to a node can be shared by…

计算机科学与博弈论 · 计算机科学 2019-11-20 Minming Li , Long Tran-Thanh , Xiaowei Wu

Motivated by modern parallel computing applications, we consider the problem of scheduling parallel-task jobs with heterogeneous resource requirements in a cluster of machines. Each job consists of a set of tasks that can be processed in…

分布式、并行与集群计算 · 计算机科学 2020-04-03 Mehrnoosh Shafiee , Javad Ghaderi

The existing work shows that the neural network trained by naive gradient-based optimization method is prone to adversarial attacks, adds small malicious on the ordinary input is enough to make the neural network wrong. At the same time,…

机器学习 · 计算机科学 2024-01-23 Linfeng Ye , Shayan Mohajer Hamidi

This article studies the problem of modifying the action ordering of a plan in order to optimise the plan according to various criteria. One of these criteria is to make a plan less constrained and the other is to minimize its parallel…

人工智能 · 计算机科学 2011-05-30 C. Backstrom

We provide the first oracle efficient sublinear regret algorithms for adversarial versions of the contextual bandit problem. In this problem, the learner repeatedly makes an action on the basis of a context and receives reward for the…

机器学习 · 计算机科学 2016-02-09 Vasilis Syrgkanis , Akshay Krishnamurthy , Robert E. Schapire

We consider deterministic distributed broadcasting on multiple access channels in the framework of adversarial queuing. Packets are injected dynamically by an adversary that is constrained by the injection rate and the number of packets…

网络与互联网体系结构 · 计算机科学 2018-01-03 Bogdan S. Chlebus , Dariusz R. Kowalski , Mariusz A. Rokicki

Distributed opportunistic scheduling is studied for wireless ad-hoc networks, where many links contend for one channel using random access. In such networks, distributed opportunistic scheduling (DOS) involves a process of joint channel…

信息论 · 计算机科学 2016-11-17 Dong Zheng , Man-On Pun , Weiyan Ge , Junshan Zhang , H. Vincent Poor

This paper aims to solve the coordination of a team of robots traversing a route in the presence of adversaries with random positions. Our goal is to minimize the overall cost of the team, which is determined by (i) the accumulated risk…

机器人学 · 计算机科学 2024-08-22 Zechen Hu , Manshi Limbu , Daigo Shishika , Xuesu Xiao , Xuan Wang

We study the shared processor scheduling problem with a single shared processor where a unit time saving (weight) obtained by processing a job on the shared processor depends on the job. A polynomial-time optimization algorithm has been…

离散数学 · 计算机科学 2021-01-19 Dariusz Dereniowski , Wieslaw Kubiak