Topic
Network theory
About: Network theory is a research topic. Over the lifetime, 2257 publications have been published within this topic receiving 109864 citations.
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TL;DR: An understanding of local networks for analysing the distributional properties of community-directed treatment may facilitate sustainable expansion of mass drug-administration (MDA) programs.
15 citations
TL;DR: A series of network descriptors based on betweenness centrality and transmission are proposed and their extremal values as well as some graphs to which they correspond are given.
15 citations
TL;DR: This letter addresses the problem exploiting the notion of eigenvector centrality and shows that the problem can be solved efficiently in a distributed way if every node is aware of the full network topology and that in certain cases only local information on the network graph is sufficient.
Abstract: The timely and efficient cooperative distribution of a streamlined content in a communication network is a key feature for many applications and services. One of the unsolved problems is the assignment of transmission rates to nodes, given the constraints imposed by the topology, so that all nodes receive the stream with the minimal global use of resources. This letter addresses the problem exploiting the notion of eigenvector centrality. It shows that the problem can be solved efficiently in a distributed way if every node is aware of the full network topology and that in certain cases only local information on the network graph is sufficient.
15 citations
04 May 2014
TL;DR: It is shown that the well-known betweenness centrality is not stable with respect to that metric and an alternative definition that preserves the same centrality notion while satisfying this stability criterion is introduced.
Abstract: This paper presents a formal definition of stability for node centrality measures in networks and shows that the well-known betweenness centrality is not stable with respect to that metric. An alternative definition that preserves the same centrality notion while satisfying this stability criterion is then introduced. The practical implications of stability are explored by studying the behavior of the traditional as well as the alternative stable betweenness centrality in both, synthetic random networks, and the network of interactions between sectors of the United States economy.
15 citations
TL;DR: The defensive structures that play a decisive role in the game of Rugby football, which is a competitive team sport, are clarified using data from games played under the Rugby Union code, and particularly on turnovers made during defensive plays in the 2015 Rugby World Cup.
Abstract: Purpose: The goal of this study was to clarify the defensive structures that play a decisive role in the game of Rugby football, which is a competitive team sport. Method: The study used data from ...
15 citations