Network Connectivity

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Network Connectivity

Author : Chen Chen
Publisher : Springer Nature
ISBN 13 : 3031037669
Total Pages : 151 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Network Connectivity by : Chen Chen

Download or read book Network Connectivity written by Chen Chen and published by Springer Nature. This book was released on 2022-05-31 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: Networks naturally appear in many high-impact domains, ranging from social network analysis to disease dissemination studies to infrastructure system design. Within network studies, network connectivity plays an important role in a myriad of applications. The diversity of application areas has spurred numerous connectivity measures, each designed for some specific tasks. Depending on the complexity of connectivity measures, the computational cost of calculating the connectivity score can vary significantly. Moreover, the complexity of the connectivity would predominantly affect the hardness of connectivity optimization, which is a fundamental problem for network connectivity studies. This book presents a thorough study in network connectivity, including its concepts, computation, and optimization. Specifically, a unified connectivity measure model will be introduced to unveil the commonality among existing connectivity measures. For the connectivity computation aspect, the authors introduce the connectivity tracking problems and present several effective connectivity inference frameworks under different network settings. Taking the connectivity optimization perspective, the book analyzes the problem theoretically and introduces an approximation framework to effectively optimize the network connectivity. Lastly, the book discusses the new research frontiers and directions to explore for network connectivity studies. This book is an accessible introduction to the study of connectivity in complex networks. It is essential reading for advanced undergraduates, Ph.D. students, as well as researchers and practitioners who are interested in graph mining, data mining, and machine learning.

Fundamentals of Brain Network Analysis

Author : Alex Fornito
Publisher : Academic Press
ISBN 13 : 0124081185
Total Pages : 496 pages
Book Rating : 4.1/5 (24 download)

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Book Synopsis Fundamentals of Brain Network Analysis by : Alex Fornito

Download or read book Fundamentals of Brain Network Analysis written by Alex Fornito and published by Academic Press. This book was released on 2016-03-04 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Brain Network Analysis is a comprehensive and accessible introduction to methods for unraveling the extraordinary complexity of neuronal connectivity. From the perspective of graph theory and network science, this book introduces, motivates and explains techniques for modeling brain networks as graphs of nodes connected by edges, and covers a diverse array of measures for quantifying their topological and spatial organization. It builds intuition for key concepts and methods by illustrating how they can be practically applied in diverse areas of neuroscience, ranging from the analysis of synaptic networks in the nematode worm to the characterization of large-scale human brain networks constructed with magnetic resonance imaging. This text is ideally suited to neuroscientists wanting to develop expertise in the rapidly developing field of neural connectomics, and to physical and computational scientists wanting to understand how these quantitative methods can be used to understand brain organization. - Winner of the 2017 PROSE Award in Biomedicine & Neuroscience and the 2017 British Medical Association (BMA) Award in Neurology - Extensively illustrated throughout by graphical representations of key mathematical concepts and their practical applications to analyses of nervous systems - Comprehensively covers graph theoretical analyses of structural and functional brain networks, from microscopic to macroscopic scales, using examples based on a wide variety of experimental methods in neuroscience - Designed to inform and empower scientists at all levels of experience, and from any specialist background, wanting to use modern methods of network science to understand the organization of the brain

Connectivity of Communication Networks

Author : Guoqiang Mao
Publisher : Springer
ISBN 13 : 3319529897
Total Pages : 438 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Connectivity of Communication Networks by : Guoqiang Mao

Download or read book Connectivity of Communication Networks written by Guoqiang Mao and published by Springer. This book was released on 2017-02-28 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces a number of recent developments on connectivity of communication networks, ranging from connectivity of large static networks and connectivity of highly dynamic networks to connectivity of small to medium sized networks. This book also introduces some applications of connectivity studies in network optimization, in network localization, and in estimating distances between nodes. The book starts with an overview of the fundamental concepts, models, tools, and methodologies used for connectivity studies. The rest of the chapters are divided into four parts: connectivity of large static networks, connectivity of highly dynamic networks, connectivity of small to medium sized networks, and applications of connectivity studies.

Optical Wireless Communications for Broadband Global Internet Connectivity

Author : Arun K. Majumdar
Publisher : Elsevier
ISBN 13 : 0128134062
Total Pages : 320 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Optical Wireless Communications for Broadband Global Internet Connectivity by : Arun K. Majumdar

Download or read book Optical Wireless Communications for Broadband Global Internet Connectivity written by Arun K. Majumdar and published by Elsevier. This book was released on 2018-10-19 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical Wireless Communications for Broadband Global Internet Connectivity: Fundamental and Potential Applications provides a comprehensive overview for readers who require information about the fundamental science behind optical wireless communications, as well as up-to-date advanced knowledge of the state-of-the-art technologies available today. The book is a useful resource for scientists, researchers, engineers and students interested in understanding optical, wireless communication systems for global channels. Readers will find beneficial knowledge on how related technologies of optical wireless communications can be integrated into achieving worldwide Internet connectivity. Presents an in-depth coverage of information on optical wireless communication in a single source Combines the fundamentals with the most recent advanced technology of achieving global Internet access and connectivity Provides derivations of the mathematical equations Includes between chapter sections where information and learning from one chapter is connected to other chapters

Akamai State of the Internet / Connectivity Report

Author : Akamai Technologies
Publisher : Akamai Technologies
ISBN 13 : 1619845148
Total Pages : 119 pages
Book Rating : 4.6/5 (198 download)

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Book Synopsis Akamai State of the Internet / Connectivity Report by : Akamai Technologies

Download or read book Akamai State of the Internet / Connectivity Report written by Akamai Technologies and published by Akamai Technologies. This book was released on 2016-06-21 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Akamai’s globally distributed Intelligent Platform™ allows us to gather massive amounts of data on many metrics including Internet connection speeds, network connectivity/availability issues, and IPv6 adoption progress as well as traffic patterns across leading web properties and digital media providers. Each quarter, Akamai publishes the State of the Internet Report based on this data.

Handbook of Networking & Connectivity

Author : Gary R. McClain
Publisher : Academic Press
ISBN 13 : 1483214168
Total Pages : 432 pages
Book Rating : 4.4/5 (832 download)

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Book Synopsis Handbook of Networking & Connectivity by : Gary R. McClain

Download or read book Handbook of Networking & Connectivity written by Gary R. McClain and published by Academic Press. This book was released on 2014-05-10 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Networking & Connectivity focuses on connectivity standards in use, including hardware and software options. The book serves as a guide for solving specific problems that arise in designing and maintaining organizational networks. The selection first tackles open systems interconnection, guide to digital communications, and implementing TCP/IP in an SNA environment. Discussions focus on elimination of the SNA backbone, routing SNA over internets, connectionless versus connection-oriented networks, internet concepts, application program interfaces, basic principles of layering, protocols and services, application layer, and conformance testing. The book then takes a look at integrated services digital network, an overview of the synchronous optical network, and X.25 and worldwide networking. The publication ponders on Metropolitan Area Networks (MAN), an overview of the switched multimegabit data service, and Ethernet/802.3 and Token Ring/802.5. Topics include Ethernet versus token ring, Ethernet/802.3, customer network management, MAN conception and technology, and SMDS specifications and sources and interface protocol. The selection is a vital source of data for systems professionals and researchers interested in networking and connectivity.

Pervasive Networks and Connectivity

Author :
Publisher : DCE Research Reports
ISBN 13 : 9521520124
Total Pages : 183 pages
Book Rating : 4.5/5 (215 download)

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Book Synopsis Pervasive Networks and Connectivity by :

Download or read book Pervasive Networks and Connectivity written by and published by DCE Research Reports. This book was released on with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The role of internet connectivity for the economic development of less developed countries

Author : Barbara Hatzimichail
Publisher : diplom.de
ISBN 13 : 3832473483
Total Pages : 86 pages
Book Rating : 4.8/5 (324 download)

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Book Synopsis The role of internet connectivity for the economic development of less developed countries by : Barbara Hatzimichail

Download or read book The role of internet connectivity for the economic development of less developed countries written by Barbara Hatzimichail and published by diplom.de. This book was released on 2003-10-21 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inhaltsangabe:Abstract: The current wave of globalisation the trend towards worldwide integration of markets is spurred by the development of ICTs, including the Internet (Miria Pigato, 2001). But there exists founded concern whether this development reaches Less Developed Countries (LDCs). Technological transformations, such as Information Communication Technology (ICT), open new possibilities in various areas. With a rapid technological development the world faces the challenge to match the pace of technological innovation with national and global policy innovation. This paper will analyse the following hypotheses: 1. Internet connectivity has potential to promote economic growth and support sustainable development for LDCs. 2. The application of the Internet technology carries risks for LDCs. 3. Successful application of Internet technology requires appropriate sustainable policies and strategies. The analysis is based upon literature review of economic and development theories, literature about ICT in development with particular focus on the Internet, country and development related information, and statistical data focussing in particular on South Africa and Uganda. Inhaltsverzeichnis:Table of Contents: INTRODUCTION6 1.OVERVIEW - LITERATURE REVIEW11 2.THE INTERNET AND E-BUSINESS20 2.1Internet20 2.2E-Business21 2.3Internet Connectivity - Indicators22 3.ECONOMIC BENEFITS27 3.1Global proximity, global business networking27 3.2Communication and information retrieval28 3.3E-business opportunities for on-line trade32 4.RELATION BETWEEN ECONOMIC GROWTH AND INTERNET CONNECTIVITY34 4.1South Africa - Regression analysis35 4.2Uganda - Regression analysis38 4.3Comparison South Africa versus Uganda39 5.RISKS AND CONSTRAINTS FOR LDCS41 5.1The Digital Gap / Divide41 5.2Constraints and the widening gap in LDCs43 5.3Barriers and limitations for E-business51 5.4Policies to overcome constraints, barriers and limitations53 6.CONCLUSIONS58 7.APPENDIX60 7.1Appendix - South Africa Statistical Data60 7.2Appendix - Uganda Statistical Data70 BIBLIOGRAPHY80

Maritime Networks, Port Efficiency, and Hinterland Connectivity in the Mediterranean

Author : Jean-François Arvis
Publisher : World Bank Publications
ISBN 13 : 1464812748
Total Pages : 139 pages
Book Rating : 4.4/5 (648 download)

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Book Synopsis Maritime Networks, Port Efficiency, and Hinterland Connectivity in the Mediterranean by : Jean-François Arvis

Download or read book Maritime Networks, Port Efficiency, and Hinterland Connectivity in the Mediterranean written by Jean-François Arvis and published by World Bank Publications. This book was released on 2018-11-29 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: For millennia, the Mediterranean has been one of the most active trading areas, supported by a transport network connecting riparian cities and beyond to their hinterland. The Mediterranean has complex trade patterns and routes--but with key differences from the past. It is no longer an isolated world economy: it is both a trading area and a transit area linking Europe and North Africa with the rest of the world through the hub-and-spoke structure of maritime networks. Understanding how trade connectivity works in the Mediterranean, and elsewhere, is important to policy makers, especially those in developing countries in the Mediterranean, concerned with the economic benefits of large investment in infrastructure. Better connectivity is expected to increase trade with distant markets and stimulate activities in the hinterland. This book is a practical exploration of the three interdependent dimensions of trade connectivity: maritime networks, port efficiency, and hinterland connectivity. Because of the complexity and richness of maritime and trade patterns in the Mediterranean, the research book combines both a regional focus and globally scalable lessons. This book is intended for a wide readership of policy makers in maritime affairs, trade, or industry; professionals from the world of finance or development institutions; and academics. It combines empirical analysis of microeconomic shipping and port data with three case studies of choice of port (focusing on Spain, Egypt, and Morocco) and five case studies on hinterland development (Barcelona; Malta; Marseilles; Port Said East, Egypt; and Tanger Med, Morocco).

Network Connectivity

Author : Chen Chen
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1636392962
Total Pages : 165 pages
Book Rating : 4.6/5 (363 download)

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Book Synopsis Network Connectivity by : Chen Chen

Download or read book Network Connectivity written by Chen Chen and published by Morgan & Claypool Publishers. This book was released on 2022-01-26 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Networks naturally appear in many high-impact domains, ranging from social network analysis to disease dissemination studies to infrastructure system design. Within network studies, network connectivity plays an important role in a myriad of applications. The diversity of application areas has spurred numerous connectivity measures, each designed for some specific tasks. Depending on the complexity of connectivity measures, the computational cost of calculating the connectivity score can vary significantly. Moreover, the complexity of the connectivity would predominantly affect the hardness of connectivity optimization, which is a fundamental problem for network connectivity studies. This book presents a thorough study in network connectivity, including its concepts, computation, and optimization. Specifically, a unified connectivity measure model will be introduced to unveil the commonality among existing connectivity measures. For the connectivity computation aspect, the authors introduce the connectivity tracking problems and present several effective connectivity inference frameworks under different network settings. Taking the connectivity optimization perspective, the book analyzes the problem theoretically and introduces an approximation framework to effectively optimize the network connectivity.Lastly, the book discusses the new research frontiers and directions to explore for network connectivity studies. This book is an accessible introduction to the study of connectivity in complex networks. It is essential reading for advanced undergraduates, Ph.D. students, as well as researchers and practitioners who are interested in graph mining, data mining, and machine learning.

Designing Connected Products

Author : Claire Rowland
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449372716
Total Pages : 731 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Designing Connected Products by : Claire Rowland

Download or read book Designing Connected Products written by Claire Rowland and published by "O'Reilly Media, Inc.". This book was released on 2015-05-18 with total page 731 pages. Available in PDF, EPUB and Kindle. Book excerpt: Networked thermostats, fitness monitors, and door locks show that the Internet of Things can (and will) enable new ways for people to interact with the world around them. But designing connected products for consumers brings new challenges beyond conventional software UI and interaction design. This book provides experienced UX designers and technologists with a clear and practical roadmap for approaching consumer product strategy and design in this novel market. By drawing on the best of current design practice and academic research, Designing Connected Products delivers sound advice for working with cross-device interactions and the complex ecosystems inherent in IoT technology.

Evaluating the Effect of Street Network Connectivity on First/last Mile Transit Performance

Author : Luca Quadrifoglio
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Evaluating the Effect of Street Network Connectivity on First/last Mile Transit Performance by : Luca Quadrifoglio

Download or read book Evaluating the Effect of Street Network Connectivity on First/last Mile Transit Performance written by Luca Quadrifoglio and published by . This book was released on 2011 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of functional connectivity Magnetic Resonance Imaging methods in CONN

Author : Alfonso Nieto-Castanon
Publisher : Hilbert Press
ISBN 13 : 0578644002
Total Pages : 108 pages
Book Rating : 4.5/5 (786 download)

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Book Synopsis Handbook of functional connectivity Magnetic Resonance Imaging methods in CONN by : Alfonso Nieto-Castanon

Download or read book Handbook of functional connectivity Magnetic Resonance Imaging methods in CONN written by Alfonso Nieto-Castanon and published by Hilbert Press. This book was released on 2020-01-31 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook describes methods for processing and analyzing functional connectivity Magnetic Resonance Imaging (fcMRI) data using the CONN toolbox, a popular freely-available functional connectivity analysis software. Content description [excerpt from introduction] The first section (fMRI minimal preprocessing pipeline) describes standard and advanced preprocessing steps in fcMRI. These steps are aimed at correcting or minimizing the influence of well-known factors affecting the quality of functional and anatomical MRI data, including effects arising from subject motion within the scanner, temporal and spatial image distortions due to the sequential nature of the scanning acquisition protocol, and inhomogeneities in the scanner magnetic field, as well as anatomical differences among subjects. Even after these conventional preprocessing steps, the measured blood-oxygen-level-dependent (BOLD) signal often still contains a considerable amount of noise from a combination of physiological effects, outliers, and residual subject-motion factors. If unaccounted for, these factors would introduce very strong and noticeable biases in all functional connectivity measures. The second section (fMRI denoising pipeline) describes standard and advanced denoising procedures in CONN that are used to characterize and remove the effect of these residual non-neural noise sources. Functional connectivity Magnetic Resonance Imaging studies attempt to quantify the level of functional integration across different brain areas. The third section (functional connectivity measures) describes a representative set of functional connectivity measures available in CONN, each focusing on different indicators of functional integration, including seed-based connectivity measures, ROI-to-ROI measures, graph theoretical approaches, network-based measures, and dynamic connectivity measures. Second-level analyses allow researchers to make inferences about properties of groups or populations, by generalizing from the observations of only a subset of subjects in a study. The fourth section (General Linear Model) describes the mathematics behind the General Linear Model (GLM), the approach used in CONN for all second-level analyses of functional connectivity measures. The description includes GLM model definition, parameter estimation, and hypothesis testing framework, as well as several practical examples and general guidelines aimed at helping researchers use this method to answer their specific research questions. The last section (cluster-level inferences) details several approaches implemented in CONN that allow researchers to make meaningful inferences from their second-level analysis results while providing appropriate family-wise error control (FWEC), whether in the context of voxel-based measures, such as when studying properties of seed-based maps across multiple subjects, or in the context of ROI-to-ROI measures, such as when studying properties of ROI-to-ROI connectivity matrices across multiple subjects.

Brain connectivity in neurological disorders

Author : Alessandro Salvalaggio
Publisher : Frontiers Media SA
ISBN 13 : 2832536999
Total Pages : 111 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Brain connectivity in neurological disorders by : Alessandro Salvalaggio

Download or read book Brain connectivity in neurological disorders written by Alessandro Salvalaggio and published by Frontiers Media SA. This book was released on 2023-10-25 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mapping psychopathology with mri and connectivity analysis

Author : Long-Biao Cui
Publisher : Frontiers Media SA
ISBN 13 : 2832516947
Total Pages : 113 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Mapping psychopathology with mri and connectivity analysis by : Long-Biao Cui

Download or read book Mapping psychopathology with mri and connectivity analysis written by Long-Biao Cui and published by Frontiers Media SA. This book was released on 2023-03-07 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Functional Connectivity, An Issue of Neuroimaging Clinics of North America

Author : Jay J. Pillai
Publisher : Elsevier Health Sciences
ISBN 13 : 032354892X
Total Pages : 209 pages
Book Rating : 4.3/5 (235 download)

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Book Synopsis Functional Connectivity, An Issue of Neuroimaging Clinics of North America by : Jay J. Pillai

Download or read book Functional Connectivity, An Issue of Neuroimaging Clinics of North America written by Jay J. Pillai and published by Elsevier Health Sciences. This book was released on 2017-10-11 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: This issue of Neuroimaging Clinics of North America focuses on Functional Connectivity, and is edited by Dr. Jay Pillai. Articles will include: Applications of rs-fMRI to presurgical mapping: sensorimotor mapping; Dynamic functional connectivity methods; Machine learning applications to rs-fMRI analysis; Frequency domain analysis of rs-fMRI; Applications of rs-fMRI to epilepsy; Data-driven analysis methods for rs-fMRI; Applications of rs-fMRI to presurgical mapping: language mapping; Limitations of rs-fMRI in the setting of focal brain lesions; Applications of rs-fMRI to neuropsychiatric disease; Applications of rs-fMRI to Traumatic Brain Injury; Applications of rs-fMRI to neurodegenerative disease; Graph theoretic analysis of rs-fMRI; and more!

Brain Connectivity Analysis: Investigating Brain Disorders

Author : Barry Horwitz
Publisher : Frontiers E-books
ISBN 13 : 288919020X
Total Pages : 314 pages
Book Rating : 4.8/5 (891 download)

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Book Synopsis Brain Connectivity Analysis: Investigating Brain Disorders by : Barry Horwitz

Download or read book Brain Connectivity Analysis: Investigating Brain Disorders written by Barry Horwitz and published by Frontiers E-books. This book was released on with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last few years, advances in human structural and functional neuroimaging (fMRI, PET, EEG/MEG) have resulted in an explosion of studies investigating the anatomical and functional connectivity between different regions of the brain. More and more studies have employed resting and task-related connectivity analyses to assess functional interactions, and diffusion-weighted tractography to study white matter organization. Many of these studies have addressed normal human function, but recently, a number of investigators have turned their attention to examining brain disorders. The study of brain disorders is a complex endeavor; not only does it require understanding the normal brain, and the regions involved in a particular function, but also it needs a deeper understanding of brain networks and their dynamics. This Research Topic will provide the scientific community with an overview of how to apply connectivity methods to study brain disease, and with perspectives on what are the strength and limitations of each modality. For this Research Topic, we solicit both reviews and original research articles on the use of brain connectivity analysis, with non-human or human models, to explore neurological, psychiatric, developmental and neurodegenerative disorders from a system perspective. Connectivity studies that have focused on one or more of the following will be of particular interest: (1) detection of abnormal functional/structural connectivity; (2) neural plasticity, assessed by changes in connectivity, in patients with brain disorders; (3) assessment of therapy using connectivity measures; (4) relation of connectivity changes to behavioral changes.