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Modeling Asymmetric Relationships from Symmetric Networks | Political Analysis | Cambridge Core
Many bilateral relationships requiring mutual agreement produce observable networks that are symmetric (undirected). However, the unobserved, asymmetric (directed) network is frequently the object of scientific interest. We propose a method that probabilistically reconstructs the latent, asymmetric network from the observed, symmetric graph in a regression-based framework. We apply this model to the bilateral investment treaty network. Our approach successfully recovers the true data generating process in simulation studies, extracts new, politically relevant information about the network structure inaccessible to alternative approaches, and has superior predictive performance.

-- latent preference structure is used to infer directionality of edges. But is causal reasoning involved in inferring directionality?
networks  network_data_analysis  international_affairs  causal_inference  ? 
3 days ago by rvenkat
(53) Proxmox V4 .2- creation of two networks vNIC vmbr0 and vmbr1 - YouTube
Proxmox V4 .2- creation of two networks vNIC vmbr0 and vmbr1
Proxmox  V4  creation  of  two  networks  vNIC  vmbr0  and  vmbr1  1st  2nd 
4 days ago by kilroy2
Phys. Rev. Lett. 121, 228301 (2018) - Simplicial Activity Driven Model
Many complex systems find a convenient representation in terms of networks: structures made by pairwise interactions (links) of elements (nodes). For many biological and social systems, elementary interactions involve, however, more than two elements, and simplicial complexes are more adequate to describe such phenomena. Moreover, these interactions often change over time. Here, we propose a framework to model such an evolution: the simplicial activity driven model, in which the building block is a simplex of nodes representing a multiagent interaction. We show analytically and numerically that the use of simplicial structures leads to crucial structural differences with respect to the activity driven model, a paradigmatic temporal network model involving only binary interactions. It also impacts the outcome of paradigmatic processes modeling disease propagation or social contagion. In particular, fluctuations in the number of nodes involved in the interactions can affect the outcome of models of simple contagion processes, contrarily to what happens in the activity driven model.
hypergraph  networks  dynamical_system  for_friends 
6 days ago by rvenkat
[1709.06005v2] TikZ-network manual
TikZ-network is an open source software project for visualizing graphs and networks in LaTeX. It aims to provide a simple and easy tool to create, visualize and modify complex networks. The packaged is based on the PGF/TikZ languages for producing vector graphics from a geometric/algebraic description. Particular focus is made on the software usability and interoperability with other tools. Simple networks can be directly created within LaTeX, while more complex networks can be imported from external sources (e.g. igraph, networkx, QGIS, ...). Additionally, tikz-network supports visualization of multilayer networks in two and three dimensions. The software is available at: this https URL.
latex  packages  networks 
6 days ago by rvenkat
!! The Four Horsemen of Centralization | by Ali Yahya
I propose the following definition: The degree to which power and control over a network is distributed across a large and representative base of independent human actors. The words large, independent, and representative are key.
webliteracy  open  networks  martin:politik  dezentral 
7 days ago by MicrowebOrg
Update on software issue impacting certain customers • Ericsson
<p>Börje Ekholm, President and CEO, Ericsson, says: “The faulty software that has caused these issues is being decommissioned and we apologize not only to our customers but also to their customers. We work hard to ensure that our customers can limit the impact and restore their services as soon as possible.”

An initial root cause analysis indicates that the main issue was an expired certificate in the software versions installed with these customers. A complete and comprehensive root cause analysis is still in progress. Our focus is now on solving the immediate issues.

During the course of December 6, most of the affected customers’ network services have been successfully restored. We are working closely with the remaining customers that are still experiencing issues.</p>

Oh WELL DONE. Only affected 31 million customers or so at a time when Huawei was on the ropes, PR-wise.
ericsson  networks 
9 days ago by charlesarthur
[HNR] persons in historical networks – call for papers (in French), Rennes, 17-18 octobre 2019
Créé en 2013, le groupe Res-Hist est un collectif destiné à favoriser les échanges scientifiques des historien·ne·s travaillant sur les réseaux. via Pocket
cfp  france  history  networks  people  prosopography 
10 days ago by kintopp

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