People
Joana Costa
Member
Adaptive ComputationResearch interests
Machine LearningText Classification
Dynamic Environments
Crowdsourcing
Social Networks
Journal Articles
2019
(1 publication)- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Boosting Dynamic Ensemble’s Performance in Twitter", Neural Computing and Applications, 2019 [ DOI ]
2017
(1 publication)- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Adaptive Learning for Dynamic Environments: a Comparative Approach ", Engineering Applications of Artificial Intelligence, Elsevier , pp. 336-345, 2017 [ DOI ]
2013
(1 publication)Conference Articles
2019
(3 publications)- Costa, J. and Silva, C. and Ribeiro, B. , "Hierarchical Deep Learning Approach for Plant Disease Detection", in 9th Iberian Conference on Pattern Recognition and Image Analysis, 2019
- Phong, N.H. and Costa, J. and Ribeiro, B. , "An Improvement for Capsule Networks using Depthwise Separable Convolution", in 9th Iberian Conference on Pattern Recognition and Image Analysis, 2019 [ DOI ]
- Costa, J. and Utreras, S. and Welling, T. and Silva, C. , "Deep Learning Approaches for Sentiment Analysis in Instagram Images", in RECPAD 2019 - Portuguese Conference on Pattern Recognition, 2019
2018
(7 publications)- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Adaptive Learning Models Evaluation in Twitter's Timelines", in International Joint Conference on Neural Networks, 2018
- Guevara, J. and Costa, J. and Arroba, J. and Silva, C. , "Harvesting Opinions in Twitter for Sentiment Analysis", in 13th Iberian Conference on Information Systems and Technologies (CISTI), 2018 [ DOI ]
- Guevara, J. and Morales, M. and Costa, J. and Silva, C. , "Comparing Learning Approaches for Twitter Sentiment Analysis", in 24th edition of the Portuguese Conference on Pattern Recognition (RecPad), 2018
- Costa, J. and Silva, C. and Ribeiro, B. , "Twitter message: is bigger the better for classification purposes?", in 24th edition of the Portuguese Conference on Pattern Recognition (RecPad), 2018
- Costa, J. and Silva, C. and Ribeiro, B. , "Learning in Twitter streams with 280 character tweets", in 10th International Conference on Soft Computing and Pattern Recognition (SoCPaR 2018), 2018 [ DOI ]
- Oliveira, N. and Costa, J. and Silva, C. and Ribeiro, B. , "Retweet Predictive Model for Predicting the Popularity of Tweets", in 10th International Conference on Soft Computing and Pattern Recognition (SoCPaR 2018), 2018 [ DOI ]
- Silva, C. and Ribeiro, B. and Costa, J. and Oliveira, N. , "Retweet Predictive Model for Predicting the Popularity of Tweets", in 10th International Conference on Soft Computing and Pattern Recognition (SoCPaR 2018), 2018 [ DOI ]
2017
(2 publications)- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Performance Metrics for Model Fusion in Twitter Data Drifts", in IbPRIA 2017: 8th Iberian Conference on Pattern Recognition and Image Analysis, LNCS, Springer, 2017
- Oliveira, N. and Costa, J. and Silva, C. and Ribeiro, B. , "On the importance of Users' Features in Retweeting", in 23rd Portuguese Conference on Pattern Recognition - RECPAD 2017, 2017 [ DOI ]
2016
(2 publications)- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Choice of Best Samples for Building Ensembles in Dynamic Environments", in 17th International Conference on Engineering Applications of Neural Networks (EANN), 2016
- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Twitter classification: are some examples better than others?", in 22nd Portuguese Conference on Pattern Recognition, 2016
2015
(4 publications)- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "The Impact of Longstanding Messages in Micro-Blogging Classification", in IEEE International Joint Conference on Neural Networks (IJCNN'15), 2015
- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "DOTS: Drift Oriented Tool System", in 22nd International Conference on Neural Information Processing (ICONIP2015), 2015
- Silva, C. and Antunes, M. and Costa, J. and Ribeiro, B. , "Active Manifold Learning with Twitter Big Data", in 2015 INNS BigData International Conference, Procedia Computer Science , vol. 53, pp. 208-215, 2015 [ DOI ]
- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Generating datasets with drift", in 21th edition of the Portuguese Conference on Pattern Recognition (RecPad), 2015
2014
(2 publications)- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Concept Drift Awareness in Twitter Streams", in IEEE International Conference on Machine Learning and Applications, 2014
- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Learning with Drift in Twitter", in Portuguese Conference on Pattern Recognition, 2014
2013
(2 publications)- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Defining Semantic Meta-Hashtags for Twitter Classification", in M. Tomassini et al. (Eds.): ICANNGA 2013, LNCS 7824, pp. 226--235. Springer, Heidelberg (2013), 2013
- Costa, J. and Silva, C. and Ribeiro, B. and Antunes, M. , "CrowdTargeting: Making Crowds More Personal", in Semantic and Social Media Adaptation and Personalization (SMAP), 2013 8th International Workshop on, 2013 [ DOI ]
2011
(3 publications)- Costa, J. and Silva, C. and Ribeiro, B. , "On Using Crowdsourcing and Active Learning to Improve Classification Performance", in Proceedings of 11th International Conference on Intelligent Systems Design and Applications (ISDA 2011), IEEE; pp. 469-474; November, Cordoba, Spain (DOI:10.1109/ISDA.2011.6121700), 2011
- Costa, J. and Silva, C. and Ribeiro, B. , "Get Your Jokes Right: Ask The Crowd", in Proceedings of 1st International Conference on Model and Data Engineering (MEDI 2011), Lecture Notes Computer Science; Vol. 6918, pp. 178-185, Springer, September, Óbidos, Portugal (DOI:10.1007/978-3-642-24443-8_20), 2011
- Costa, J. and Silva, C. and Ribeiro, B. , "The Importance of Precision in humour Classification", in "; Proceedings of 12th International Conference on Intelligent Data Engineering and Automated Learning (IDEAL 2011),Lecture Notes Computer Science, Vol. 6936, pp.271-278, Springer, September, Norwich, UK (10.1007/978-3-642-23878-9_33), 2011