36 citations · 73 across the 10 of their papers we have counts for
4 papers · 1 filter
Fast Estimation of Causal Interactions using Wold Processes
Flavio Figueiredo, Guilherme Borges, Pedro O. S. Vaz de Melo +1
We here focus on the task of learning Granger causality matrices for multivariate point processes. In order to accomplish this task, our work is the first to explore the use of Wol…
Antagonism also Flows through Retweets: The Impact of Out-of-Context Quotes in Opinion Polarization Analysis
Pedro Calais Guerra, Roberto C. S. N. P. Souza, Renato M. Assunção +1
In this paper, we study the implications of the commonplace assumption that most social media studies make with respect to the nature of message shares (such as retweets) as a pred…
A latent shared-component generative model for real-time disease surveillance using Twitter data
Roberto C. S. N. P. Souza, Denise E. F de Brito, Renato M. Assunção +1
Exploiting the large amount of available data for addressing relevant social problems has been one of the key challenges in data mining. Such efforts have been recently named "data…
Universal and Distinct Properties of Communication Dynamics: How to Generate Realistic Inter-event Times
Pedro O. S. Vaz de Melo, Christos Faloutsos, Renato Assunção +2
With the advancement of information systems, means of communications are becoming cheaper, faster and more available. Today, millions of people carrying smart-phones or tablets are…