Helen Costa

Publication Activity (10 Years)

Years Active: 2013-2021
Publications (10 Years): 3

Top Topics

Hierarchical Classification

Sentiment Analysis

Social Networks

Top Venues

Electron. Notes Discret. Math.

Publications

Helen Costa, Fernando E. B. Otero, Luiz H. C. Merschmann, Marcone J. F. Souza
A Novel Hybrid Feature Selection Algorithm for Hierarchical Classification. IEEE Access 9 (2021)
Helen Costa, Leandro Galvão, Luiz H. C. Merschmann, Marcone J. F. Souza
A VNS algorithm for feature selection in hierarchical classification context. Electron. Notes Discret. Math. 66 (2018)
Pollyanna Gonçalves, Daniel Hasan Dalip, Helen Costa, Marcos André Gonçalves, Fabrício Benevenuto
On the combination of "off-the-shelf" sentiment analysis methods. SAC (2016)
Helen Costa, Luiz Henrique de Campos Merschmann, Fabrício Barth, Fabrício Benevenuto
Pollution, bad-mouthing, and local marketing: The underground of location-based social networks. Inf. Sci. 279 (2014)
Helen Costa, Fabrício Benevenuto, Luiz Henrique de Campos Merschmann
Detecting tip spam in location-based social networks. SAC (2013)