Helen Costa

According to our database, Helen Costa authored at least 5 papers between 2013 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2021

A Novel Hybrid Feature Selection Algorithm for Hierarchical Classification.

Helen Costa, Fernando E. B. Otero, Luiz H. C. Merschmann, Marcone J. F. Souza

IEEE Access, 2021

2018

A VNS algorithm for feature selection in hierarchical classification context.

Helen Costa, Leandro Galvão, Luiz H. C. Merschmann, Marcone J. F. Souza

Electron. Notes Discret. Math., 2018

2016

On the combination of "off-the-shelf" sentiment analysis methods.

Pollyanna Gonçalves, Daniel Hasan Dalip, Helen Costa, Marcos André Gonçalves, Fabrício Benevenuto

Proceedings of the 31st Annual ACM Symposium on Applied Computing, 2016

2014

Pollution, bad-mouthing, and local marketing: The underground of location-based social networks.

Helen Costa, Luiz Henrique de Campos Merschmann, Fabrício Barth, Fabrício Benevenuto

Inf. Sci., 2014

2013

Detecting tip spam in location-based social networks.

Helen Costa, Fabrício Benevenuto, Luiz Henrique de Campos Merschmann

Proceedings of the 28th Annual ACM Symposium on Applied Computing, 2013