65 citations · 131 across the 9 of their papers we have counts for
3 papers · 1 filter
Community-based anomaly detection using spectral graph filtering
Rodrigo Francisquini, Ana Carolina Lorena, Mariá C. V. Nascimento
Several applications have a community structure where the nodes of the same community share similar attributes. Anomaly or outlier detection in networks is a relevant and widely st…
An analysis of community structure in Brazilian political topic-based Twitter networks
Camila P. S. Tautenhain, Rodrigo Francisquini, Mariá C. V. Nascimento
Online social networks such as Twitter are important platforms for spreading public opinion on a variety of subjects. The classification of users through the analysis of their post…
An ensemble based on a bi-objective evolutionary spectral algorithm for graph clustering
Camila P. S. Tautenhain, Mariá C. V. Nascimento
Graph clustering is a challenging pattern recognition problem whose goal is to identify vertex partitions with high intra-group connectivity. This paper investigates a bi-objective…