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The $\mathsf{HYBRID}$ model was introduced as a means for theoretical study of distributed networks that use various communication modes. Conceptually, it is a synchronous message passing model with a local communication mode, where in each…

分布式、并行与集群计算 · 计算机科学 2022-02-15 Fabian Kuhn , Philipp Schneider

A quantile is defined as a value below which random draws from a given distribution falls with a given probability. In a centralized setting where the cumulative distribution function (CDF) is unknown, the empirical CDF (ECDF) can be used…

系统与控制 · 计算机科学 2018-05-02 Jongmin Lee , Cihan Tepedelenlioglu , Andreas Spanias

A hypergraph is a generalization of a graph that arises naturally when attribute-sharing among entities is considered. Compared to graphs, hypergraphs have the distinct advantage that they contain explicit communities and are more…

社会与信息网络 · 计算机科学 2024-08-28 Enzhi Li , Scott Nickleach , Bilal Fadlallah

Deploying relays and/or mobile base stations is a major means of extending the coverage of a wireless network. This paper presents models, analytical results, and algorithms to answer two related questions: The first is where to deploy…

信息论 · 计算机科学 2014-08-29 Xu Li , Dongning Guo , John Grosspietsch , Huarui Yin , Guo Wei

We study the distribution regression problem assuming the distribution of distributions has a doubling measure larger than one. First, we explore the geometry of any distributions that has doubling measure larger than one and build a small…

机器学习 · 计算机科学 2022-03-02 Ilqar Ramazanli

Distances between probability distributions that take into account the geometry of their sample space,like the Wasserstein or the Maximum Mean Discrepancy (MMD) distances have received a lot of attention in machine learning as they can, for…

机器学习 · 计算机科学 2020-04-29 Gaëtan Hadjeres , Frank Nielsen

Human mobility is investigated using a continuum approach that allows to calculate the probability to observe a trip to anyarbitrary region, and the fluxes between any two regions. The considered description offers a general and unified…

物理与社会 · 物理学 2013-04-02 Filippo Simini , Amos Maritan , Zoltán Néda

Wireless Sensor Network (WSN) is pertinent to many applications with varied network parameters. Sensor node placement in the application region whether it is indoor or outdoor is a major task as well as plays very remarkable role in the…

网络与互联网体系结构 · 计算机科学 2016-04-27 R. Malathi , Alagarsamy , V. Veeramani , RD. Balaji

Light-fidelity (LiFi) is a networked optical wireless communication (OWC) solution for high-speed indoor connectivity for fixed and mobile optical communications. Unlike conventional radio frequency wireless systems, the OWC channel is not…

信息论 · 计算机科学 2018-10-01 Mohammad Dehghani Soltani , Ardimas Andi Purwita , Zhihong Zeng , Harald Haas , Majid Safari

Vehicular communication channels are characterized by a non-stationary time- and frequency-selective fading process due to rapid changes in the environment. The non-stationary fading process can be characterized by assuming local…

网络与互联网体系结构 · 计算机科学 2014-04-28 Laura Bernadó , Thomas Zemen , Fredrik Tufvesson , Andreas F. Molisch , Christoph F. Mecklenbräuker

Distance queries are a basic tool in data analysis. They are used for detection and localization of change for the purpose of anomaly detection, monitoring, or planning. Distance queries are particularly useful when data sets such as…

数据结构与算法 · 计算机科学 2015-03-20 Edith Cohen

This paper explores a novel connection between two areas: shape analysis of surfaces and unbalanced optimal transport. Specifically, we characterize the square root normal field (SRNF) shape distance as the pullback of the…

微分几何 · 数学 2022-02-22 Martin Bauer , Emmanuel Hartman , Eric Klassen

In small cell networks, high mobility of users results in frequent handoff and thus severely restricts the data rate for mobile users. To alleviate this problem, we propose to use heterogeneous, two-tier network structure where static users…

网络与互联网体系结构 · 计算机科学 2020-07-22 Arpan Chattopadhyay , Bartłomiej Błaszczyszyn , Eitan Altman

Circuity, the ratio of network distances to straight-line distances, is an important measure of urban street network structure and transportation efficiency. Circuity results from a circulation network's configuration, planning, and…

物理与社会 · 物理学 2019-02-04 Geoff Boeing

Practical wireless networks are finite, and hence non-stationary with nodes typically non-homo-geneously deployed over the area. This leads to a location-dependent performance and to boundary effects which are both often neglected in…

信息论 · 计算机科学 2014-01-03 Ralph Tanbourgi , Holger Jäkel , Friedrich K. Jondral

In considering a social network, there are cases where people is transferred to another place. Then the physical (direct) relations among nodes are lost by the movement. In terms of a network theory, some nodes break the present connections…

物理与社会 · 物理学 2007-05-23 Norihito Toyota

We introduce a new problem in the domain of mobile robots, which we term dispersion. In this problem, $n$ robots are placed in an $n$ node graph arbitrarily and must coordinate with each other to reach a final configuration such that…

分布式、并行与集群计算 · 计算机科学 2018-07-18 John Augustine , William K. Moses

In this paper, we consider a vehicular network in which the wireless nodes are located on a system of roads. We model the roadways, which are predominantly straight and randomly oriented, by a Poisson line process (PLP) and the locations of…

信息论 · 计算机科学 2017-09-26 Vishnu Vardhan Chetlur , Harpreet S. Dhillon

In this paper, we analyze asymptotic delay-throughput trade-offs in mobile ad-hoc networks comprising heterogeneous nodes with restricted mobility. We show that node spatial heterogeneity has the ability to drastically improve upon existing…

性能 · 计算机科学 2008-07-09 Michele Garetto , Emilio Leonardi

The Earth movers distance (EMD) is a measure of distance between probability distributions which is at the heart of mass transportation theory. Recent research has shown that the EMD plays a crucial role in studying the potential impact of…

统计计算 · 统计学 2013-10-15 Kyle Treleaven , Emilio Frazzoli