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Publication Name: Complexity Digest

Brief description: Networking the Complexity Community

Publication URL: http://comdig.unam.mx/

Twitter Page:

Joined: October 5th, 2011

Activity

Complexity Digest wrote a new blog post titled A Methodology for Evaluating Algorithms That Calculate Social Influence in Complex Social Networks

Online social networks are complex systems often involving millions or even billions of users. Understanding the dynamics of a social network requires analysing characteristics of the network (in its entirety) and the users (as individuals). This paper focuses on calculating user’s social influence, which depends on (i) the user’s positioning in the social network and (ii) interactions between the user and all other users in the social network. Given that data on all users in the social network is required to calculate social influence, something not applicable for today’s social networks,...
(9 hours ago)

Complexity Digest wrote a new blog post titled Train Global, Test Local: Privacy-preserving Learning of Cost-effectiveness in Decentralized Systems

The mandate of citizens for more socially responsible information systems that respect privacy and autonomy calls for a computational and storage decentral- ization. Crowd-sourced sensor networks monitor energy consumption and traffic jams. Distributed ledgers systems provide unprecedented opportunities to perform secure peer-to-peer transactions using blockchain. However, decentralized systems often show performance bottlenecks that undermine their broader adoption: prop- agating information in a network is costly and time-consuming. Optimization of cost-effectiveness with supervised machine...
(12 hours ago)

Complexity Digest wrote a new blog post titled “The Science of Success” Special Issue | Advances in Complex Systems

The increasing availability of digital data on human activities has led to the emergence of computational social science, a research field at the interface of computer science, mathematical modeling and social sciences. Among the concepts that have attracted much attention, we find "success". The premise of a science of success rests on observing that a difference exists between performance and success: Performance, representing the totality of objectively measurable achievements in a certain domain of activity, like the publication record of a scientist or the winning record of an...
(8 days ago)

About:

Complexity Digest has been successfully networking the complexity community since fall of 1999. It is edited by Dr. Carlos Gershenson, and published by the Instituto de Investigaciones en Matematicas Aplicadas y en Sistemas (IIMAS) and the Centro de Ciencias de la Complejidad (C3) of the Universidad Nacional Autonoma de Mexico (UNAM), the most prestigious university in Latin America and hispanic countries.

Its founding editor was Dr Gottfried Mayer, a member of the complexity community since his residence at the Santa Fe Institute in its early days. He deceased victim of cancer on January, 2009. Until then, the sponsor of ComDig was Dean LeBaron, trustee of SFI and investment commentator. ComDig was created by Gottfried and Dean, and we try to follow their original ideas.

Contributors are welcome to send submissions to editoracomdig.unam.mx.

ComDig hopes to be of use to all of the growing number of complexity organizations and supported by them.

ComDig has been distributed by weekly email to a list of people who request copies free of charge. ComDig iss also available through RSS (Real Simple Syndication).

Copies will be made available to organizations who may wish to repost ComDig to their own mailing lists. Some may customize the appearance of the content provided to them.

Readership should range from academics in almost every field to business people who want to know how to use the concepts. From students in search of knowledge to journalists looking for items from this rich field of activity. All are encouraged so long as it is of use to them.