Bibliografías temáticas / Connectivity of the median set

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Literatura académica sobre el tema "Connectivity of the median set"

Autor: Grafiati

Publicado: 25 de mayo de 2024

Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Connectivity of the median set"

Amany, A. Naem, and I. Ghali Neveen. "Optimizing community detection in social networks using antlion and K-median." Bulletin of Electrical Engineering and Informatics 8, no. 4 (2019): 1433–40. https://doi.org/10.11591/eei.v8i4.1196.

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Antlion Optimization (ALO) is one of the latest population based optimization methods that proved its good performance in a variety of applications. The ALO algorithm copies the hunting mechanism of antlions to ants in nature. Community detection in social networks is conclusive to understanding the concepts of the networks. Identifying network communities can be viewed as a problem of clustering a set of nodes into communities. k-median clustering is one of the popular techniques that has been applied in clustering. The problem of clustering network can be formalized as an optimization proble

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Friedrich, M., J. M. Werner, J. P. Steinbach, et al. "PL01.5.A ASSOCIATION BETWEEN RESTING-STATE-NETWORK FUNCTIONAL CONNECTIVITY AND SURVIVAL IN RECURRENT GLIOMAS DIAGNOSED USING FET PET." Neuro-Oncology 26, Supplement_5 (2024): v1. http://dx.doi.org/10.1093/neuonc/noae144.002.

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Abstract BACKGROUND Functional connectivity between glioma-infiltrated brain tissue and remote cortical regions has been linked to overall survival (OS) in patients with newly diagnosed glioblastoma. Here, we studied the association of functional connectivity between tumor and resting-state networks and OS in patients with recurrent gliomas. PATIENTS AND METHODS The study included 82 patients (age range, 26-81 years; median ECOG performance score, 0) with recurrent gliomas (CNS WHO grade 4 glioblastoma, n=57; CNS WHO grade 3 and 4 astrocytoma, n=12; CNS WHO grade 2 and 3 oligodendroglioma, n=1

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Kende, Michael, Sonia Livingstone, Scott Minehane, Michael Minges, Simon Molloy, and George Sciadas. "GLOBAL CONNECTIVTY REPORT 2022. CHAPTER 2. THE JOURNEY TO UNIVERSAL AND MEANINGFUL CONNECTIVITY." SYNCHROINFO JOURNAL 8, no. 3 (2022): 29–37. http://dx.doi.org/10.36724/2664-066x-2022-8-3-29-37.

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The Global Connectivity Report 2022 takes stock of the progress in digital connectivity over the past three decades. It provides a detailed assessment of the current state of connectivity and how close the world is to achieving universal and meaningful connectivity, using a unique analytical framework. It goes on to showcase solutions and good practices to accelerate progress. The second part of the report consists of seven thematic deep dives on infrastructure, affordability, financing, the pandemic, regulation, youth, and data. Chapter 2 relies on the framework for universal and meaningful c

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Chen, Rong, Kyunghun Lee, and Edward H. Herskovits. "Computational framework for detection of subtypes of neuropsychiatric disorders based on DTI-derived anatomical connectivity." Neuroradiology Journal 33, no. 5 (2020): 393–99. http://dx.doi.org/10.1177/1971400920950694.

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Many brain disorders – such as Alzheimer’s disease, Parkinson’s disease, schizophrenia and autism – are heterogeneous, that is, they may have several subtypes. Traditionally, clinicians have identified subtypes, such as subtypes of psychosis, using clinical criteria. Neuroimaging has the potential to detect subtypes based on objective biomarker-based criteria; however, there are no studies that evaluate the application of combining unsupervised machine learning and anatomical connectivity analysis to accomplish this goal. We propose a computational framework to detect subtypes based on anatomi

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Besiris, D., A. Makedonas, G. Economou, and S. Fotopoulos. "Combining graph connectivity & dominant set clustering for video summarization." Multimedia Tools and Applications 44, no. 2 (2009): 161–86. http://dx.doi.org/10.1007/s11042-009-0277-9.

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Khaniyev, Taghi, Samir Elhedhli, and Fatih Safa Erenay. "Spatial Separability in Hub Location Problems with an Application to Brain Connectivity Networks." INFORMS Journal on Optimization 2, no. 4 (2020): 320–46. http://dx.doi.org/10.1287/ijoo.2019.0031.

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Motivated by the need to solve large hub location problems efficiently and accurately, we discover an important characteristic of optimal solutions to p-hub median problems that we call spatial separability. It refers to the partitioning of the network into allocation clusters with nonoverlapping convex hulls. We illustrate numerically that the property persists over a wide range of randomly generated instances and propose a data-driven approach based on an insight from the property to tackle very large problem sizes. Computational experiments corroborate the effectiveness of the proposed appr

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Silfverhuth, Minna J., Jukka Remes, Tuomo Starck, et al. "Directional connectivity of resting state human fMRI data using cascaded ICA-PDC analysis." Acta Radiologica 52, no. 9 (2011): 1037–42. http://dx.doi.org/10.1258/ar.2011.110262.

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Background Directional connectivity measures, such as partial directed coherence (PDC), give us means to explore effective connectivity in the human brain. By utilizing independent component analysis (ICA), the original data-set reduction was performed for further PDC analysis. Purpose To test this cascaded ICA-PDC approach in causality studies of human functional magnetic resonance imaging (fMRI) data. Material and Methods Resting state group data was imaged from 55 subjects using a 1.5 T scanner (TR 1800 ms, 250 volumes). Temporal concatenation group ICA in a probabilistic ICA and further re

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Fang, Jiliang, Danhong Wang, Qing Zhao, et al. "Brain-Gut Axis Modulation of Acupuncture in Functional Dyspepsia: A Preliminary Resting-State fcMRI Study." Evidence-Based Complementary and Alternative Medicine 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/860463.

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Objective. To explore acupuncture effects on brain functional connectivity in patients with functional dyspepsia (FD).Methods. Eight patients in an acupuncture treatment group and ten healthy adults in the control group participated in the study. Acupuncture effectiveness was evaluated based on changes of the gastrointestinal symptoms, gastric motility measurements, and gastrin levels and comparisons with the control group when appropriate. To investigate functional connectivity changes related to FD and potential modulation after acupuncture, a set of regions of interest (ROIs) were selected

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Karuza, Elisabeth A., Lauren L. Emberson, Matthew E. Roser, Daniel Cole, Richard N. Aslin, and Jozsef Fiser. "Neural Signatures of Spatial Statistical Learning: Characterizing the Extraction of Structure from Complex Visual Scenes." Journal of Cognitive Neuroscience 29, no. 12 (2017): 1963–76. http://dx.doi.org/10.1162/jocn_a_01182.

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Behavioral evidence has shown that humans automatically develop internal representations adapted to the temporal and spatial statistics of the environment. Building on prior fMRI studies that have focused on statistical learning of temporal sequences, we investigated the neural substrates and mechanisms underlying statistical learning from scenes with a structured spatial layout. Our goals were twofold: (1) to determine discrete brain regions in which degree of learning (i.e., behavioral performance) was a significant predictor of neural activity during acquisition of spatial regularities and

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Wagner, Isabella C., Markus Rütgen, and Claus Lamm. "Pattern similarity and connectivity of hippocampal-neocortical regions support empathy for pain." Social Cognitive and Affective Neuroscience 15, no. 3 (2020): 273–84. http://dx.doi.org/10.1093/scan/nsaa045.

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Abstract Empathy is thought to engage mental simulation, which in turn is known to rely on hippocampal-neocortical processing. Here, we tested how hippocampal-neocortical pattern similarity and connectivity contributed to pain empathy. Using this approach, we analyzed a data set of 102 human participants who underwent functional MRI while painful and non-painful electrical stimulation was delivered to themselves or to a confederate. As hypothesized, results revealed increased pattern similarity between first-hand pain and pain empathy (compared to non-painful control conditions) within the hip

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Tesis sobre el tema "Connectivity of the median set"

Bénéteau, Laurine. "Médians de graphes : algorithmes, connexité et axiomatique." Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0512.

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Le problème du médian est un des problèmes les plus étudiés en théorie des espaces métriques. Nous l'étudions dans les graphes médians d'un point de vue algorithmique. Nous présentons un algorithme linéaire basé sur un calcul rapide des classes de parallélisme des arêtes (les Thêta-classes) via un parcours en largeur particulier (LexBFS). Nous donnons également un algorithme linéaire pour le problème du médian dans les l1-complexes cubiques des graphes médians et dans les structures d'évènements.Ensuite, nous présentons une caractérisation des graphes aux médians connexes dans la p-ième puissa

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Taixés, i. Ventosa Jordi. "Connectivity of Julia sets of transcendental meromorphic functions." Doctoral thesis, Universitat de Barcelona, 2011. http://hdl.handle.net/10803/50391.

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Newton's method associated to a complex holomorphic function f is defined by the dynamical system Nf(z) = z – f(z) / f'(z). As a root-finding algorithm, a natural question is to understand the dynamics of Nf about its fixed points, as they correspond to the roots of the function f. In other words, we would like to understand the basins of attraction of Nf, i.e., the sets of points that converge to a root of f under the iteration of Nf. Basins of attraction are actually just one type of stable component or component of the Fatou set, defined as the set of points for which the family of itera

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Fisher, Serena Lynn. "Frequency Judgments and Recognition: Additional Evidence for Task Differences." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000517.

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Zhou, Lixing. "Dynamic generalized (multiple-set) structured canonical correlation analysis (dynamic GCANO): a structural equation model for simultaneous analysis of multiple-subject effective connectivity in functional neuroimaging studies." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=123190.

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Effective connectivity in functional neuroimaging studies is defined as the time dependent causal influence that a certain brain region of interest (ROI) exerts on another. Structural equation modeling (SEM) is regularly employed to analyze effective connectivity. In recent years, various SEM methods have been proposed to model effective connectivity. However, there has been little attempt to develop SEM methods for analyzing common patterns of effective connectivity across subjects despite the prevalence of multiple-subject research in effective connectivity. This dissertation proposes a meth

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Camby, Eglantine. "Connecting hitting sets and hitting paths in graphs." Doctoral thesis, Universite Libre de Bruxelles, 2015. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209048.

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Dans cette thèse, nous étudions les aspects structurels et algorithmiques de différents problèmes de théorie des graphes. Rappelons qu’un graphe est un ensemble de sommets éventuellement reliés par des arêtes. Deux sommets sont adjacents s’ils sont reliés par une arête.Tout d’abord, nous considérons les deux problèmes suivants :le problème de vertex cover et celui de dominating set, deux cas particuliers du problème de hitting set. Un vertex cover est un ensemble de sommets qui rencontrent toutes les arêtes alors qu’un dominating set est un ensemble X de sommets tel que chaque sommet n’appa

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Lopes, Roberto Rigolin Ferreira. "Uma abordagem ciente de contexto e embasada por feedbacks para o gerenciamento de handovers em ambientes NGN." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-05092012-143719/.

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A evolução da computação móvel melhora a capacidade de comunicação e colaboração das pessoas. Os principais pilares desta transformação são: o desenvolvimento e produção de dispositivos móveis com capacidade multimídia e equipados com duas ou mais interfaces de rede, a disponibilidade de conectividade sem fio ubíqua e a popularização de aplicações sociais online. As redes sociais online merecem destaque pelas funcionalidades que permitem a criação e compartilhamento de conteúdo digital dentro de círculos sociais, também chamado de mídia social. Serviços na web anexam a localização geográfica d

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Santiago, Pinto Leonor. "Cobertura com restrições de conexidade." Doctoral thesis, Instituto Superior de Economia e Gestão, 2004. http://hdl.handle.net/10400.5/4705.

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Doutoramento em Matemática Aplicada à Economia e Gestão Dado um grafo bipartido com classes de bipartição V e U, uma cobertura é um subconjunto C Ç V em que cada vértice de U é adjacente a pelo menos um vértice de C. 0 problema da cobertura procura uma cobertura de cardinalidade mínima. No contexto da selecção de reservas para a con¬servação de espécies, V é o conjunto de povoamentos passíveis de serem seleccionados para integrar a reserva, U o conjunto de espécies a proteger e as arestas descrevem as ocorrências das espécies nos povoamentos. Algumas coberturas apresentam, no entanto, confi

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Wightman, Rojas Pedro Mario. "Topology Control in Wireless Sensor Networks." Scholar Commons, 2010. https://scholarcommons.usf.edu/etd/1807.

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Wireless Sensor Networks (WSN) offer a flexible low-cost solution to the problem of event monitoring, especially in places with limited accessibility or that represent danger to humans. WSNs are made of resource-constrained wireless devices, which require energy efficient mechanisms, algorithms and protocols. One of these mechanisms is Topology Control (TC) composed of two mechanisms, Topology Construction and Topology Maintenance. This dissertation expands the knowledge of TC in many ways. First, it introduces a comprehensive taxonomy for topology construction and maintenance algorithms for t

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Bergougnoux, Benjamin. "Matrix decompositions and algorithmic applications to (hyper)graphs." Thesis, Université Clermont Auvergne‎ (2017-2020), 2019. http://www.theses.fr/2019CLFAC025/document.

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Durant ces dernières décennies, d'importants efforts et beaucoup de café ont été dépensés en vue de caractériser les instances faciles des problèmes NP-difficiles. Dans ce domaine de recherche, une approche s'avère être redoutablement efficace : la théorie de la complexité paramétrée introduite par Downey et Fellows dans les années 90.Dans cette théorie, la complexité d'un problème n'est plus mesurée uniquement en fonction de la taille de l'instance, mais aussi en fonction d'un paramètre .Dans cette boite à outils, la largeur arborescente est sans nul doute un des paramètres de graphe les plus

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Kuo, Tung Wei, and 郭桐惟. "Maximizing Submodular Set Function with Connectivity Constraint: Theory and Application to Networks." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/ryd6fq.

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博士 國立清華大學 資訊工程學系 103 In this thesis, we investigate the wireless network deployment problem, which seeks the best deployment of a given limited number of wireless routers. We find that many goals for network deployment, such as maximizing the number of covered users, the size of the coverage area, or the total throughput of the network, can be modelled with a submodular set function. Specifically, given a set of routers, the goal is to find a set of locations S, each of which is equipped with a router, such that S maximizes a predefined submodular set function. However, this deploy

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Libros sobre el tema "Connectivity of the median set"

Dowd, Cate. Digital Journalism, Drones, and Automation. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190655860.001.0001.

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Advances in online technology and news systems, such as automated reasoning across digital resources and connectivity to cloud servers for storage and software, have changed digital journalism production and publishing methods. Integrated media systems used by editors are also conduits to search systems and social media, but the lure of big data and rise in fake news have fragmented some layers of journalism, alongside investments in analytics and a shift in the loci for verification. Data has generated new roles to exploit data insights and machine learning methods, but access to big data and

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Anighoro, Victory. Beginners Guide to Canon EOS R7 Mirrorless Camera: Mastering the Set-Up and Wireless Connectivity Features. Independently Published, 2022.

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Hoffman, Rachel. Dating and Mating in a Techno-Driven World. ABC-CLIO, LLC, 2018. http://dx.doi.org/10.5040/9798400637872.

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Authored by a sex therapist who regularly works with clients wanting to improve their relationships, this book explains how technology can create conflict or additional anxiety and discloses techniques to help individuals gain confidence or strengthen their personal relationships. The statistics are telling: 85 percent of all adults use the Internet; 88 percent use email; 91 percent own cell phones; 56 percent own smartphones; 73 percent send and receive text messages; and 67 percent use social networking sites. The advent of personal communication devices and ubiquitous connectivity has drama

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Wimer, Christopher, and Timothy M. Smeeding. USA Child Poverty: The Impact of the Great Recession. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198797968.003.0013.

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The Great Recession (GR) was the most dramatic economic downturn the USA has experienced in more than six decades. But against this backdrop, the USA actually made some limited progress against child poverty over the Great Recession when one considers the new US Supplemental Poverty Measure which lies at about 40 per cent of median income. The main reason was the growth of a well-targeted near cash safety net, combined with earnings enhancements in the form of refundable tax credits. These enhancements helped the working poor, but not many parents of children who could not find jobs. However t

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Gao, Qin. Anti-Poverty Effectiveness. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190218133.003.0005.

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Chapter 5 investigates Dibao’s anti-poverty effectiveness. The chapter shows that, based on various poverty lines and across urban and rural areas, Dibao’s anti-poverty effectiveness is limited and at best modest, largely due to its targeting errors and gaps in benefit delivery. Dibao is more effective in reducing the depth and severity of poverty than it is the rate of poverty, and its anti-poverty effectiveness is greater among recipients than in the general population. Dibao’s influence on reducing poverty is larger when a lower poverty line is used and smaller when a higher poverty line is

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Archibald, Tom, Michael N. Fried, Joseph W. Dauben, et al., eds. A Cultural History of Mathematics In The Modern Age. Bloomsbury Publishing Plc, 2024. http://dx.doi.org/10.5040/9781350294967.

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A Cultural History of Mathematicsin the Modern Age covers the period from 1914 to today. Across the Twentieth Century, mathematics influenced two World Wars and the shape of modern warfare, nuclear technology, and the space age, while the certainties of mathematics were taken up by philosophers, artists, and writers. In the increasingly digital world of the Twenty-first Century, the exponential growth of mathematical knowledge has triggered major technological developments. Mathematical ideas now inform fundamental physical theories and technological models; even our social connectivity relies

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Esler, Karen J., Anna L. Jacobsen, and R. Brandon Pratt. Planning for the future. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198739135.003.0009.

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Mediterranean-type climate (MTC) regions are highlighted in several global analyses of conservation risk and priorities. These regions have undergone high levels of habitat conversion and yet of all terrestrial biomes they have the second lowest level of land protection. With transformation pressures set to continue (Chapter 8), planning for a sustainable conservation future in MTC regions is therefore essential. Conservation activities are represented by a variety of philosophies and motives, partially driven by the underlying differences in transformation drivers and sociopolitical contexts

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Johansen, Bruce, and Adebowale Akande, eds. Nationalism: Past as Prologue. Nova Science Publishers, Inc., 2021. http://dx.doi.org/10.52305/aief3847.

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Nationalism: Past as Prologue began as a single volume being compiled by Ad Akande, a scholar from South Africa, who proposed it to me as co-author about two years ago. The original idea was to examine how the damaging roots of nationalism have been corroding political systems around the world, and creating dangerous obstacles for necessary international cooperation. Since I (Bruce E. Johansen) has written profusely about climate change (global warming, a.k.a. infrared forcing), I suggested a concerted effort in that direction. This is a worldwide existential threat that affects every living t

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Amir Anwar, Mohammad, and Mark Graham. The Digital Continent. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780198840800.001.0001.

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Only ten years ago, there were more internet users in countries like France or Germany than in all of Africa put together. But much has changed in a decade. The year 2018 marks the first year in human history in which a majority of the world’s population are now connected to the internet. This mass connectivity means that we have an internet that no longer connects only the world’s wealthy. Workers from Lagos to Johannesburg to Nairobi and everywhere in between can now apply for and carry out jobs coming from clients who themselves can be located anywhere in the world. Digital outsourcing firm

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Kashmeri, Sarwar A. China’s Grand Strategy. ABC-CLIO, LLC, 2019. http://dx.doi.org/10.5040/9798400625732.

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In the “Great Game” of the 21st century—gaining leadership and influence in Asia—the United States is rapidly being outflanked by China, which is investing in infrastructure, connectivity, and supply chains on an unprecedented global scale. In this first book to use China’s Belt and Road Initiative, previously known as China’s New Silk Road, as a point of departure to explain why and how China is about to supersede America with regard to influence in Asia, Sarwar Kashmeri argues that the United States has a narrow window of opportunity to find a way to fit into a world in which the rules of th

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Capítulos de libros sobre el tema "Connectivity of the median set"

Nayyar, Anjali, Nilanjana Bose, Roli Shrivastava, Ria Basu, and Sarah Andries. "Social Media in the Time of a Pandemic." In Global Perspectives of COVID-19 Pandemic on Health, Education, and Role of Media. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1106-6_13.

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AbstractSocial media has evolved from being a set of rudimentary tools to a complex instrument that has had both positive and negative consequences, often leading to widespread circulation of misinformation impacting societies and institutions. The COVID-19 pandemic, significantly, is the first health crisis, witnessed globally in the age of social media and amidst unprecedented connectivity. Throughout the pandemic, the world has witnessed a widespread use of social media. The medium has not only enabled isolated people to remain connected with their friends and families but also to communica

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Sandoval, Cesar, Pablo Adasme, and Ali Dehghan Firoozabadi. "Quadratic p-Median Formulations with Connectivity Costs Between Facilities." In Mobile Web and Intelligent Information Systems. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-83164-6_8.

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Fukunaga, Takuro. "Graph Orientations with Set Connectivity Requirements." In Algorithms and Computation. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-10631-6_28.

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Rivoli, Lidia, Rosanna Verde, and Antonio Irpino. "The Median of a Set of Histogram Data." In Topics in Theoretical and Applied Statistics. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27274-0_4.

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Kortsarz, Guy, and Zeev Nutov. "Approximating Node Connectivity Problems via Set Covers." In Approximation Algorithms for Combinatorial Optimization. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/3-540-44436-x_20.

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Iwanowski, Marcin. "On Combining Dual Morphological Binary Operators Using Median Set." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-47274-4_19.

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Belmonte, Rémy, Pim van’t Hof, Marcin Kamiński, and Daniël Paulusma. "The price of connectivity for feedback vertex set." In The Seventh European Conference on Combinatorics, Graph Theory and Applications. Scuola Normale Superiore, 2013. http://dx.doi.org/10.1007/978-88-7642-475-5_20.

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Ferrer, M., E. Valveny, F. Serratosa, I. Bardají, and H. Bunke. "Graph-Based k-Means Clustering: A Comparison of the Set Median versus the Generalized Median Graph." In Computer Analysis of Images and Patterns. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03767-2_42.

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Abhinav, Ankit, Satyabrata Jana, Nidhi Purohit, Abhishek Sahu, and Saket Saurabh. "Parameterized Complexity of Feedback Vertex Set with Connectivity Constraints." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-82670-2_3.

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Milosz, Robin, Sylvie Hamel, and Adeline Pierrot. "Median of 3 Permutations, 3-Cycles and 3-Hitting Set Problem." In Lecture Notes in Computer Science. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94667-2_19.

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Actas de conferencias sobre el tema "Connectivity of the median set"

Teng, Yufan. "SP-DCNet: A Support-Set Guided Directional Connectivity Network for Few-Shot Medical Image Segmentation." In 2024 6th International Conference on Frontier Technologies of Information and Computer (ICFTIC). IEEE, 2024. https://doi.org/10.1109/icftic64248.2024.10913320.

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Ding, Eric, and Rachee Singh. "PipSwitch: A Circuit Switch Using Programmable Integrated Photonics." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.w2a.41.

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We present an optical circuit switch design for programmable integrated photonics (PIPs). Our solution finds the correct and optimal set of matchings that provides all-to-all network connectivity and demonstrates scalability to 32 ports.

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Mesec, Gilbert. "Vertical Lift Aircraft Rotor and Blade Mechanical and Dynamic Fault Detection in the field through the use of Revolution to Revolution Blade Track Data Analysis." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9534.

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Rotor and blade fault detection using optical blade tracking revolution-to-revolution data is described in this paper. The process allows analysis of the dynamic health of an individual blade and its attachments, indicates rotor eccentricities, and faulty collective and cyclic functions. The process is detailed in US Patent 8,041,520 B2 issued October 18, 2011. Smoothing algorithms are applied to the data to remove sensor and rotor induced motion. The data are then reordered by amplitude ranging from most positive to most negative. Forced motion values are then at the extremes of the data set

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Hasan, M. M. Faruque. "Designing for the Future: The Role of Process Design in Decarbonization and Energy Transition." In Foundations of Computer-Aided Process Design. PSE Press, 2024. http://dx.doi.org/10.69997/sct.112547.

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The overarching goal of process design (Figure 1) is to find technologically feasible, operable, economically attractive, safe and sustainable processing pathways and process configurations with specifications for the connectivity and design of unit operations that perform a set of tasks using selected functional materials (e.g., catalysts, solvents, sorbents, etc.) to convert a set of feed-stocks or raw materials into a set of products with desired quality at a scale that satisfies the demand. Process synthesis and integration can further screen, optimize and improve these pathways for given

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Rusk, David T., and Thomas A. Ross. "Statistical Modeling of Weather Data for Representative Environmental Severity Testing." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14255.

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Abstract An effort has been undertaken to develop a methodology that defines a set of reference environmental exposure histories that are statistically representative of the weather variation at a specific geographic location. Three years of NOAA weather station data from three different U.S. Military installations were analyzed and modeled to assess wet cycle start, end times and cycle durations over each season. Wet cycle start and end events were defined by transition through the deliquescence and efflorescence Relative Humidity (RH) levels for NaCl thin film solutions. Statistical distribu

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Ianeva, Mariana, and Stiliyana Basmadzhieva. "PR OF A TOURISM ORGANIZATION UNDER CONDITIONS OF CRISIS." In TOURISM AND CONNECTIVITY 2020. University publishing house "Science and Economics", University of Economics - Varna, 2020. http://dx.doi.org/10.36997/tc2020.303.

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Nowadays, the issues related to the goals that the tourism organization should set and the new policy to which it needs to focus is especially relevant. In order to achieve them, it is necessary to develop and conduct various events that are within the competence not only of marketing managers, but also of those of PR specialists in companies and tourism destinations. The tasks set in the current report are related to external information, which is used by the media to create a story, which must fully reflect the credibility of the situation in a particular problem environment. Good practices

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Chen, Mingyang, Yawei Hou, Wenbin Li, Pengfei Wang, Jiale Fan, and Xiaohan Liu. "Quantitative Evaluation of The Influence of Long-Term Water Drive on Pore Structure in Different Types of Reservoirs." In International Petroleum Technology Conference. IPTC, 2025. https://doi.org/10.2523/iptc-24761-ms.

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Abstract The P Oilfield in the Bohai Sea has now entered the later stage of development, with a rapid increase in water cut and an accelerated decline rate. Within the loosely consolidated sandstone reservoirs, long-term water drive has caused changes in the pore structure, further exacerbating reservoir heterogeneity. To quantitatively characterize this impact, a novel experimental method utilizing high-speed water drive of rock cores at different pump rates, coupled with monitoring using nuclear magnetic resonance (NMR) imaging, has been proposed. This method allows for a quantitative evalua

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Kasemtaweechok, Chatchai, and Worasait Suwannik. "Training set reduction using Geometric Median." In 2015 15th International Symposium on Communications and Information Technologies (ISCIT). IEEE, 2015. http://dx.doi.org/10.1109/iscit.2015.7458330.

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Chalermsook, Parinya, Fabrizio Grandoni, and Bundit Laekhanukit. "On Survivable Set Connectivity." In Proceedings of the Twenty-Sixth Annual ACM-SIAM Symposium on Discrete Algorithms. Society for Industrial and Applied Mathematics, 2014. http://dx.doi.org/10.1137/1.9781611973730.3.

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Baidoo, Mark, Marie-Hélène Fillion, Alexander Hutchison, and Claudia González. "Controlled Lab-Scale Evaluation of the Secondary Permeability Represented in a 3D Printed Discrete Fracture Network (DFN) Model." In 3rd International Discrete Fracture Network Engineering Conference. ARMA, 2022. http://dx.doi.org/10.56952/arma-dfne-22-0010.

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Abstract The evaluation of fluid flow through fractured media is essential for many applications. In hard rocks, fluid flow depends on fracture aperture and connectivity, as fractures are the preferential flow paths within the rock mass. Previous research studied fluid flow, using Discrete Fracture Networks (DFN) and numerical modelling methods, with fewer lab-scale experiments. Advancements in 3D printing technology allows for generating valuable lab-scale physical models representing fractured media. In this work, a DFN model is built using the DFN software MoFrac and a 3D physical model is

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Informes sobre el tema "Connectivity of the median set"

Ketterer, Juan Antonio. Digital Finance: New Times, New Challenges, New Opportunities. Inter-American Development Bank, 2017. http://dx.doi.org/10.18235/0007028.

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Since the end of the great crisis of 2007-10, the financial services industry began a process of accelerating change. New business models based on convergent technological developments are challenging the status quo of a long-established and traditional industry. The purpose of this document is to consider the latest developments in the financial services industry and to discuss how they might affect the ability for firms--particularly small- and medium-sized enterprises (SMEs)--and individuals to access financing. It concludes that the transformative developments in the financial services ind

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Goulet, Christine, Yousef Bozorgnia, Nicolas Kuehn, et al. NGA-East Ground-Motion Models for the U.S. Geological Survey National Seismic Hazard Maps. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2017. http://dx.doi.org/10.55461/qozj4825.

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The purpose of this report is to provide a set of ground motion models (GMMs) to be considered by the U.S. Geological Survey (USGS) for their National Seismic Hazard Maps (NSHMs) for the Central and Eastern U.S. (CEUS). These interim GMMs are adjusted and modified from a set of preliminary models developed as part of the Next Generation Attenuation for Central and Eastern North-America (CENA) project (NGA-East). The NGA-East objective was to develop a new ground-motion characterization (GMC) model for the CENA region. The GMC model consists of a set of GMMs for median and standard deviation of

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Muniz Costa, Sérgio Paulo, Gala Gómez Minujín, Paolo Giordano, et al. Integration & Trade Journal: Volume 16 : No. 34 : January-June, 2012. Inter-American Development Bank, 2012. http://dx.doi.org/10.18235/0008076.

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This issue of the Journal is devoted to physical integration in Latin America. The Editorial Committee set about designing the contents, with a call for papers, which suggested topics and questions that focused on the subject while covering a broad spectrum. Regional physical integration is supported by a wide range of instruments; such as infrastructure works to reduce transportation costs and enhance connectivity, and financial structuring of technically, highly complex large scale capital investments. But no less relevant are government cooperation mechanisms that provide the necessary coor

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Iyer, Ananth V., Samuel Labi, Steven Dunlop, Thomas Brady Jr., and Eki Amijaya. Cost and Benefit Analysis of Installing Fiber Optics on INDOT Projects. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317131.

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The Indiana Department of Transportation (INDOT) is tasked with the stewardship of billions of dollars’ worth of public invested highway infrastructure. Not only does INDOT continually seek design and operational policies that foster cost effective project delivery and procurement, they also seek opportunities for revenue generation. Due to population growth and the increased demand for online connectivity and global information transmission, the fiber-optic cable industry has experienced rapid growth over the past few years. Information and communication technology (ICT) companies have long s

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Bonneau, L., N. Hitt, K. Jayachandran, and M. Marchetti. Freshwater Ecosystems and Biodiversity. American Museum of Natural History, 2010. http://dx.doi.org/10.5531/cbc.ncep.0105.

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Freshwater ecosystems are important for many reasons, including their ecosystem services to humans. However, this module invites students to think critically about the ecological structure, function, and distribution of freshwater systems. Freshwater ecosystems are driven by physical habitat, energy sources, water quality biotic interactions, hydrology, and connectivity. Variations in these factors result in significantly different environments, including upland streams and rivers, large lakes, floodplain rivers and wetlands, and xeric freshwaters. In the exercise, student groups will generate

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Fajardo, Johanna, and Eduardo Lora. Latin American Middle Classes: The Distance between Perception and Reality. Inter-American Development Bank, 2011. http://dx.doi.org/10.18235/0011352.

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The main contribution of this paper with respect to previous work is the use of data on subjective perceptions to identify the Latin American middle classes. This paper provides a set of comparisons between objective and subjective definitions of middle-class using data from the 2007 World Gallup Poll. Seven objective income-based definitions of social class are contrasted with a self-perceived social status measure. Mismatches between the objective and the subjective classification of social class are the largest when the objective definition is based on median incomes. Mismatches result from

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Wendt-Lucas, Nicola, Hedda Thomson Ek, Maja Brynteson, and Sigrid Jessen. Smart Communities in the Nordic-Baltic region: A Literature Review – Indicators and Policies for Bridging the Urban-Rural Digital Divide. Nordregio, 2025. https://doi.org/10.6027/wp2025:3.1403-2511.

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Past studies have identified a weak business case for 5G in the Nordic-Baltic region, often attributing this to the persistent challenges of the urban-rural digital divide and the region’s relatively low population density. Gaining a deeper understanding of the on-the-ground effects of enhanced digital connectivity, particularly 5G, on local businesses and overall quality of life can yield valuable insights and incentives. These insights in turn can facilitate a more inclusive rollout of emerging digital solutions, aligned with local needs. The present literature review has identified both the

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O’Brien, Tom, Deanna Matsumoto, Diana Sanchez, et al. Southern California Regional Workforce Development Needs Assessment for the Transportation and Supply Chain Industry Sectors. Mineta Transportation Institute, 2020. http://dx.doi.org/10.31979/mti.2020.1921.

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COVID-19 brought the public’s attention to the critical value of transportation and supply chain workers as lifelines to access food and other supplies. This report examines essential job skills required of the middle-skill workforce (workers with more than a high school degree, but less than a four-year college degree). Many of these middle-skill transportation and supply chain jobs are what the Federal Reserve Bank defines as “opportunity occupations” -- jobs that pay above median wages and can be accessible to those without a four-year college degree. This report lays out the complex landsc

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Shepherd, Ben, and Anirudh Shingal. Services Trade of Commonwealth Member Countries: Response to the COVID-19 Pandemic. Commonwealth Secretariat, 2021. https://doi.org/10.14217/comsec.335.

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In most Commonwealth member countries, services account for at least half of total economic activity in terms of gross domestic product. Levels are particularly high in high-income countries but also in some small island states, where activities like tourism and finance – both services – are important in the overall economy. This paper analyses services exports of Commonwealth countries and develops a conceptual framework about the impacts of COVID-19 on services exports. It presents a set of case studies from Commonwealth countries to identify the challenges posed by the COVID-19 pandemic for

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Goulet, Christine, Yousef Bozorgnia, Norman Abrahamson, et al. Central and Eastern North America Ground-Motion Characterization - NGA-East Final Report. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2018. http://dx.doi.org/10.55461/wdwr4082.

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This document is the final project report of the Next Generation Attenuation for Central and Eastern North America (CENA) project (NGA-East). The NGA-East objective was to develop a new ground-motion characterization (GMC) model for the CENA region. The GMC model consists of a set of new ground-motion models (GMMs) for median and standard deviation of ground motions and their associated weights to be used with logic-trees in probabilistic seismic hazard analyses (PSHA). NGA-East is a large multidisciplinary project coordinated by the Pacific Earthquake Engineering Research Center (PEER), at th

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