Ocorreu um erro neste gadget

sábado, julho 25, 2009

Fenômenos coletivos na blogosfera

Fig. 1.

Search queries as a proxy for collective human attention. (A) The volume of searches for the word “tsunami” in the aftermath of the catastrophic Asian tsunami. The sudden peak and relatively rapid relaxation illustrates the typical signature of an “exogenous” burst of activity. (B) The volume of search queries for “Harry Potter movie.” The significant growth preceding the release of the film and symmetric relaxation is characteristic of an “endogenous” burst of activity.


Pois é, faz tempo que eu dizia que essas respostas coletivas do BlogPulse como fenômenos interessantes a serem estudados (ver por exemplo aqui). Mas faltam alunos, tempo e ferramental teórico. Crane e Sornette publicaram primeiro (no PNAS!).


Robust dynamic classes revealed by measuring the response function of a social system

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