Complex Networks
In the previous post, I have presented the general concept of “networks”, and discussed their broad use in a great variety of scientific domains, due to their high flexibility, that enables network to...
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Small World Networks
As mentioned in the previous post, social trading networks are networks that connect people. As a result, these networks tend to follow the way people make social interactions. One of the most...
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Six Degrees Of Separation
“What a small world indeed!” we say when discovering that a person we’ve just met used to study at our high-school, or has a relative that used to worked with us a few years ago. But just how small is...
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Hubs and Centers of Information
In order to understand the importance of small world networks and specifically – its relevance to computational social finance, let us first take a metaphoric detour and discuss film actor Kevin Bacon....
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Ecology and Topology in the Financial World
“‘Tipping points’, ‘thresholds and breakpoints’, ‘regime shifts’ — all are terms that describe the flip of a complex dynamical system from one state to another. Catastrophic changes in the overall...
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Ecology and Topology in the Financial World – Part II
In the previous post we learned about the importance of taking interconnections between market players while performing a risk assessment process. As mentioned, this fact is not unique to banking or...
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Ecology and Topology in the Financial World – Part III
In the previous post we have shown the topology and money flow dynamics of the financial system in the U.S. This data, operated by the Federal Reserve System, represents approximately 9,500...
View ArticleA letter from the Social Search frontier: Good news, Bad news
“A letter from the Social Search frontier: Good news, Bad news” By Manuel Cebrian & Iyad Rahwan. Our ability to search social networks for people and information is fundamental to our success. We...
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Limits of Social Learning
What are the limits of social learning in situations that require analytical thinking? By Iyad Rahwan Online social networking may have started out as a simple way to share news, but has become much...
View ArticleBeyond viral
Beyond viral Manuel Cebrian,(1) Iyad Rahwan,(2) and Alex “Sandy” Pentland (2) (1) NICTA, Australia (2) Massachusetts Institute of Technology, USA “Whatever praise or blame can be due to...
View ArticleBig Data: Toward A Richer Social Science
Big Data: Toward A Richer Social Science Alex Pentland, MIT and author, Social Physics (Penguin Press) http://hd.media.mit.edu ABUJA, COTE D’IVOIRE. Arnaud, a sergeant in the city police force, was...
View ArticleNetworks not Markets, Cliques not Classes: The Promise of Big Data
Prof. Alex `Sandy’ Pentland, MIT Media Lab http://media.mit.edu/~pentland pentland@media.mit.edu Adam Smith and Karl Marx were wrong — or at least they only had half the story. The daily ebb and flow...
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