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Pedro H. Calais
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From bias to opinion: a transfer-learning approach to real-time sentiment analysis
PH Calais Guerra, A Veloso, W Meira Jr, V Almeida
Proceedings of the 17th ACM SIGKDD international conference on Knowledge …, 2011
1902011
A measure of polarization on social media networks based on community boundaries
P Guerra, W Meira Jr, C Cardie, R Kleinberg
Proceedings of the international AAAI conference on web and social media 7 …, 2013
1802013
Characterizing and detecting hateful users on twitter
MH Ribeiro, PH Calais, YA Santos, VAF Almeida, W Meira Jr
Twelfth international AAAI conference on web and social media, 2018
1602018
A characterization of broadband user behavior and their e-business activities
HT Marques Neto, JM Almeida, LCD Rocha, W Meira, PHC Guerra, ...
ACM SIGMETRICS Performance Evaluation Review 32 (3), 3-13, 2004
932004
" Everything I disagree with is# FakeNews": Correlating political polarization and spread of misinformation
MH Ribeiro, PH Calais, VAF Almeida, W Meira Jr
arXiv preprint arXiv:1706.05924, 2017
562017
A campaign-based characterization of spamming strategies
PH Calais, DEV Pires, DO Guedes, W Meira Jr, C Hoepers, KS Jessen
532008
" Like Sheep Among Wolves": Characterizing Hateful Users on Twitter
MH Ribeiro, PH Calais, YA Santos, VAF Almeida, W Meira Jr
arXiv preprint arXiv:1801.00317, 2017
422017
Sentiment analysis on evolving social streams: How self-report imbalances can help
PC Guerra, W Meira Jr, C Cardie
Proceedings of the 7th ACM international conference on Web search and data …, 2014
412014
Exploring the spam arms race to characterize spam evolution
PHC Guerra, D Guedes, JW Meira, C Hoepers, M Chaves, ...
Proceedings of the 7th Collaboration, Electronic messaging, Anti-Abuse and …, 2010
342010
Antagonism also flows through retweets: The impact of out-of-context quotes in opinion polarization analysis
PC Guerra, R Nalon, R Assunçao, W Meira Jr
Eleventh international AAAI conference on web and social media, 2017
292017
Characterizing broadband user behavior
HT Marques, LCD Rocha, PHC Guerra, JM Almeida, W Meira Jr, ...
Proceedings of the 2004 ACM workshop on Next-generation residential …, 2004
192004
An anatomy for neural search engines
TA Nakamura, PH Calais, D de Castro Reis, AP Lemos
Information Sciences 480, 339-353, 2019
152019
Spamming chains: a new way of understanding spammer behavior
PHC Guerra, D Guedes, W Meira, C Hoepers, M Chaves, KS Jessen
The 6th g Conference on Email and Anti-Spam, 2009
122009
AnthillSched: A scheduling strategy for irregular and iterative I/O-intensive parallel jobs
LF Góes, P Guerra, B Coutinho, L Rocha, W Meira, R Ferreira, D Guedes, ...
Workshop on Job Scheduling Strategies for Parallel Processing, 108-122, 2005
122005
Characterizing and detecting hateful users on Twitter. arXiv. org
MH Ribeiro, PH Calais, YA Santos, VAF Almeida, W Meira Jr
102018
Spam miner: A platform for detecting and characterizing spam campaigns
PH Calais, DEV Pires, MTC Ribeiro, D Guedes, W Meira Jr, C Hoepers, ...
9*2009
Spamming chains: A new way of understanding spammer behavior
PH Calais, D Guedes, W Meira Jr, C Hoepers, MHPC Chaves, KS Jessen
82009
Estimativa de demanda potencial de matrículas em ensino superior usando dados públicos e múltiplos modelos de regressão
PC Guerra, RYM Nakamura, ER Hruschka
Symposium on Knowledge Discovery, Mining and Learning 2, 2014
72014
Spam detection using web page content: a new battleground
MT Ribeiro, PHC Guerra, L Vilela, A Veloso, D Guedes, W Meira Jr, ...
Proceedings of the 8th Annual Collaboration, Electronic messaging, Anti …, 2011
62011
Exploiting temporal locality to determine user bias in microblogging platforms
PHC Guerra, L Cerf, TC Porto, A Veloso, W Meira Jr, V Almeida
Journal of Information and Data Management 2 (3), 273-273, 2011
32011
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Articles 1–20