Title
Account classification in online social networks with LBCA and wavelets
Abstract
We developed a wavelet-based approach for account classification that detects textual dissemination by bots on an Online Social Network (OSN). Its main objective is to match account patterns with humans, cyborgs or robots, improving the existing algorithms that automatically detect frauds. With a computational cost suitable for OSNs, the proposed approach analyses the distribution of key terms. The descriptors, a wavelet-based feature vector for each user's account, work in conjunction with a new weighting scheme, called Lexicon Based Coefficient Attenuation (LBCA) and serve as inputs to one of the classifiers tested: Random Forests and Multilayer Perceptrons. Experiments were performed using a set of posts crawled during the 2014 FIFA World Cup, obtaining accuracies within the range from 94 to 100%.
Year
DOI
Venue
2016
10.1016/j.ins.2015.10.039
Information Sciences
Keywords
Field
DocType
Account classification,Wavelets,Online social networks,Multilayer perceptrons,Random forests
Data mining,Feature vector,Weighting,Social network,Computer science,Lexicon,Artificial intelligence,Robot,Random forest,Perceptron,Machine learning,Wavelet
Journal
Volume
Issue
ISSN
332
C
0020-0255
Citations 
PageRank 
References 
7
0.50
49
Authors
7