People
Catarina Silva
Member
Adaptive ComputationResearch interests
Text Mining, Support Vector Machines, Machine LearningNational Projects
D4 - Deep Drug Discovery and Deployment (PI: Bernardete Ribeiro; co-PI: Joel P. Arrais)
International Projects
NanoSen-AQM - Development and field validation of a low-cost nano-sensor system for real-time monitoring of ambient air quality (PI: Bernardete Ribeiro; co-PI: Alberto Cardoso)
H2020-REMAP – Real-time Condition-based Maintenance for Adaptive Aircraft Maintenance Planning
H2020 - KYKLOS 4.0: An Advanced Circular and Agile Manufacturing Ecosystem based on rapid reconfigurable manufacturing process and individualized consumer preferences
Past Projects
CATCH - Inductive Inference for Large Scale Data Bases Text CATegorization
GRID I - Intelligent Data Processing in GRID Technology with Applications to Industry and Medicine
GRID II - Global GRID for Data Mining with Soft Computing on Large Data Bases
RISK - Improving Financial Risk Analysis with Advanced Data-Mining tools
MINT – Moment INtelligent deTection
DEED - Deep Digital
Books
2018
(1 publication)2017
(1 publication)2013
(1 publication)2010
(1 publication)Journal Articles
2020
(1 publication)- Lucas, P. and Silva, J. and Araujo, F. and Silva, C. and P. Gil and Arrais, J.P. and Coutinho, D. and Salgueiro, P. and Rato, L. and Saias, J. and Nogueira, V. and Alberto Cardoso and Ribeiro, B. , "NanoSen-AQM: From Sensors to Users", International Journal of Online and Biomedical Engineering (iJOE), vol. 16, 2020 [ DOI ]
2019
(2 publications)- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Boosting Dynamic Ensemble’s Performance in Twitter", Neural Computing and Applications, 2019 [ DOI ]
- Silva, C. and Grilo, C. and Silva, C. , "Model Optimization for Server Loading Forecasting with Genetic Algorithms", International Journal of Computer Information Systems and Industrial Management Applications, 2019
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 ]
2014
(1 publication)2013
(2 publications)- Costa, J. and Silva, C. and Antunes, M. and Ribeiro, B. , "Customized Crowds and Active Learning to Improve Classification", Expert Systems With Applications, Elsevier, vol. 40, pp. 7212-7219, 2013 [ DOI ]
- Pereira, L. and Rijo, R. and Silva, C. and Agostinho, M. , "ICD9-based Text Mining Approach to Children Epilepsy Classification", Procedia Technology, vol. 9, pp. 1351-1360, 2013
2012
(1 publication)- Ribeiro, B. and Silva, C. and Chen, N. and Vieira, A. and Neves, J.C. , "Enhanced Default Risk Models with SVM+", Expert Systems With Applications, Elsevier, vol. 39, pp. 10140-10152, 2012 [ DOI ]
2010
(1 publication)- Silva, C. and Lotrič, U. and Ribeiro, B. and Dobnikar, A. , "Distributed Text Classification with an Ensemble Kernel-based Learning Approach", IEEE Transactions on Systems Man and Cybernetics, Part C - Applications and Reviews, vol. 40, pp. 287-297, 2010 [ DOI ]
2008
(1 publication)2007
(2 publications)- Silva, C. and Ribeiro, B. , "On Text-based Mining with Active Learning and Background Knowledge using SVM", Journal of Soft Computing - A Fusion of Foundations, Methodologies and Applications, Springer Verlag, vol. 11, pp. 519-530, 2007 [ DOI ]
- Silva, C. and Ribeiro, B. , "RVM Ensemble for Text Classification", International Journal of Computational Intelligence Research, vol. 3, pp. 31-35, 2007
2006
(1 publication)2003
(1 publication)Conference Articles
2019
(6 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
- Silva, J. and Lucas, P. and Araujo, F. and Silva, C. and P. Gil and Alberto Cardoso and Arrais, J.P. and Ribeiro, B. and Coutinho, D. and Salgueiro, P. and Rato, L. and Saias, J. and Nogueira, V. , "A Hybrid Application for Real-Time Air Quality Monitoring", in 2019 5th Experiment International Conference (exp.at'19), 2019 [ DOI ]
- Silva, J. and Lucas, P. and Araujo, F. and Silva, C. and P. Gil and Alberto Cardoso and Arrais, J.P. and Ribeiro, B. and Coutinho, D. and Salgueiro, P. and Rato, L. and Saias, J. and Nogueira, V. , "An Online Platform For Real-Time Air Quality Monitoring", in 2019 5th Experiment International Conference (exp.at'19), 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
- Silva, C. and Grilo, C. and Rosero, R. , "User experience tests over a Mixed Reality interface of a SAR system with UAVs", in RECPAD 2019 - Portuguese Conference on Pattern Recognition, October 2019, 2019
- Coutinho, D. and Salgueiro, P. and Saias, J. and Rato, L. and Nogueira, V. and Silva, J. and Lucas, P. and Araujo, F. and Silva, C. and P. Gil and Alberto Cardoso and Arrais, J.P. and Ribeiro, B. , "Considerations for a cloud-based system for IoT data acquisition from heterogeneous sensors", in III CONGRESSO LUSO-EXTREMADURENSE, 2019 [ DOI ]
2018
(10 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 Grilo, C. and Silva, C. , "Server Load Prediction on Wikipedia Traffic: Influence of Granularity and Time Window", 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 ]
- Silva, C. and Grilo, C. and Silva, C. , "Granularity and time window on forecasting regression problems", in 24th edition of the Portuguese Conference on Pattern Recognition (RecPad), 2018
- Rosero, R. and Grilo, C. and Silva, C. , "SAR missions with commercial UAVs over Mixed-Reality interfaces", in 24th edition of the Portuguese Conference on Pattern Recognition (RecPad), 2018
2017
(3 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
- Silva, C. and Antunes, M. , "Automatic documents counterfeit classication using image processing and analysis", in IbPRIA 2017: 8th Iberian Conference on Pattern Recognition and Image Analysis, 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
(7 publications)- Silva, C. and Ribeiro, B. , "Visualization of Individual Ensemble Classifier Contributions", in IPMU 2016 - International Conference on Information Processing and Management of Uncertainty in Knowledge-based Systems, LNCS, Netherlands, 2016
- Silva, C. and Ribeiro, B. , "Multiclass Ensemble of One-Against-All SVM Classifiers", in ISNN 2016 - International Symposium on Neural Networks, LNCS, Springer, S Petersburg, Russia, 2016
- 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
- Antunes, M. and Silva, C. , "A telemedicine application using WebRTC", in International Conference on Health and Social Care Information Systems and Technologies (HCist'16), vol. 100, pp. 414-420, Editor: Elsevier, 2016
- Silva, C. and Antunes, M. , "Information System for Automation of Counterfeited Documents Images Correlation", in Conference on ENTERprise Information Systems (CENTERIS'16); vol. 100, pp. 421-428, Editor: Elsevier; , 2016
- Silva, C. and Antunes, M. , "Pattern Recognition in Images of Counterfeited Documents", in 22th edition of the Portuguese Conference on Pattern Recognition (RecPad'16); pp.83-84; , 2016
2015
(6 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
- Ribeiro, B. and Noel Lopes and Silva, C. , "Learning the Hash Code with Generalised Regression Neural Networks for Biometric Data Retrieval", in 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
- Silva, C. and Antunes, M. , "Health Twitter Big Bata Management with Hadoop Framework", in International Conference on Health and Social Care Information Systems and Technologies (HCist'15); vol;64, pp. 425-431, Editor: Elsevier; , 2015
2014
(5 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
- Martins, S. and Silva, C. and Marcelino, L. , "Mobile Games for Children", in 2nd World Conference on Information Systems and Technologies (WCIST'14), 2014
- Silva, C. and Marcelino, L. , "Patinhas - Servic?os de localizac?a?o para animais desaparecidos", in 9ª Conferência Ibérica de Sistemas e Tecnologias de Informação, 2014
- Silva, C. and Marcelino, L. , "Database Synchronization Model for Mobile Devices", in 9ª Conferência Ibérica de Sistemas e Tecnologias de Informação, 2014
2013
(5 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 ]
- Pereira, L. and Rijo, R. and Silva, C. and Agostinho, M. , "Using Text Mining to Diagnose and Classify Epilepsy in Children", in IEEE 16th International Conference on E-health Networking, Application & Services, IEEE HealthCom 2013, 2013 [ DOI ]
- Costa, R. and Silva, C. and Marcelino, L. , "Profile-based System for Nutritional Information Management", in IEEE 16th International Conference on E-health Networking, Application & Services, IEEE HealthCom 2013, 2013 [ DOI ]
- Monteiro, F. and Moreira, L. and Ferreira, P. and Marcelino, L. and Silva, C. , "Mobile Access to Real Time Tracking of Public Transports", in Interação 2013, 5th National Conference on Interaction, 2013
2011
(5 publications)- Silva, C. and Antunes, M. and Ribeiro, B. and Correia, M. , "A hybrid AIS-SVM ensemble approach for Text Classification", in Proc Int Conf on Adaptive and Natural Computing Algorithms, pp. , Part II, LNCS 6594, 2011, 2011
- 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
- Silva, C. and Ribeiro, B. , "Purging False Negatives in Cancer Diagnosis Using Incremental Active Learning", in Proceedings of 12th International Conference on Intellingent Data Engineering and Automated Learning (IDEAL 2011),Lecture Notes Computer Science, Vol. 6936, pp.394-402, Springer, September, Norwich, UK (10.1007/978-3-642-23878-9_33), 2011
2010
(4 publications)- Silva, C. and Ribeiro, B. and Noel Lopes , "Improving Recall Values in Breast Cancer Diagnosis with Incremental Background Knowledge", in IEEE World Congress on Computational Intelligence (WCCI 2010), 2010 [ DOI ]
- Ribeiro, B. and Noel Lopes and Silva, C. , "High-Performance Bankruptcy Prediction Model using Graphics Processing Units", in IEEE World Congress on Computational Intelligence (WCCI 2010), 2010 [ DOI ]
- Ribeiro, B. and Silva, C. and Vieira, A. and Neves, J.C. , "Financial Distress Prediction using SVM+", in IEEE World Congress on Computational Intelligence (WCCI 2010), Barcelona, Spain, July 2010, 2010
- Silva, C. and Antunes, M. and Ribeiro, B. and Correia, M. , "On using an ensemble approach of AIS and SVM for Text Classification", in WACI’10, 5th Workshop on Applications of Computational Intelligence, December, 2010, 2010
2009
(3 publications)- Silva, C. and Ribeiro, B. , "Improving Text Classification Performance with Incremental Background Knowledge", in International Conference on Artificial Neural Networks - ICANN 2009, pp. 923-931, 2009
- Silva, C. and Ribeiro, B. , "Improving Visualization, Scalability and Performance of Multiclass Problems with SVM Manifold Learning", 2009
- Ribeiro, B. and Silva, C. and Vieira, A. and Neves, J.C. , "Extracting Discriminative Features Using Non-Negative Matrix Factorization in Financial Distress Data", 2009
2008
(6 publications)- Ferreira, R. and Ribeiro, B. and Silva, C. and Liu, Q. and Sung, A.H. , "Building Resilient Classifiers for LSB Matching Steganography", in WCCI 2008, 2008
- Silva, C. and Ribeiro, B. and Lotrič, U. and Dobnikar, A. , "Distributed Ensemble Learning in Text Classification", in ICEIS 2008, 2008
- Silva, C. and Ribeiro, B. , "Text Classification on Embedded Manifolds", in IBERAMIA 2008, 2008
- Silva, C. and Ribeiro, B. , "Selecting Examples in Manifold Reduced Feature Space for Active Learning", in IEEE ICMLA 2008, 2008
- Ribeiro, B. and Vieira, A. and Duarte, J. and Silva, C. and Neves, J.C. and Liu, Q. and Sung, A.H. , "Bankruptcy Analysis for Credit Risk using Manifold Learning", in International Conference on Neural Information Processing, 2008
- Ribeiro, B. and Silva, C. and Sung, A.H. and Vieira, A. and Neves, J.C. and Duarte, J. and Liu, Q. , "Learning Manifolds for Bankruptcy Analysis", in International Conference on Neural Information Processing - ICONIP, Auckland, New Zealand, 2008
2007
(2 publications)- Silva, C. and Ribeiro, B. and Sung, A.H. , "Boosting RVM Classifiers for Large Data Sets", in ICANNGA 2007, 2007
- Silva, C. and Ribeiro, B. , "Combining Active Learning and Relevance Vector Machines for Text Classification", in IEEE ICMLA 2007, 2007
2006
(6 publications)- Silva, C. and Ribeiro, B. and Lotrič, U. , "Fast-Decision SVM Ensemble Text Classifier Using Cluster Computing", in ICNPSC\'06, 2006
- Silva, C. and Ribeiro, B. , "Scaling Text Classification with Relevance Vector Machines", in IEEE SMC06, 2006
- Silva, C. and Ribeiro, B. , "Expanding Working Set Approaches to RVM for Text Classification", in Summer School on Neural Networks - Poster Presentation, 2006
- Silva, C. and Ribeiro, B. , "Automated Learning of RVM for Large Scale Text Sets: Divide to Conquer", in IDEAL 2006, 2006
- Silva, C. and Ribeiro, B. , "Two-level hierarchical hybrid SVM-RVM classification model", in IEEE ICMLA 2006, 2006
- Silva, C. and Ribeiro, B. , "RVM Ensemble for Text Classification", in ICONIP 2006 - 13th International Conference on Neural Information Processing (Poster presentation), 2006
2005
(3 publications)- Silva, C. and Ribeiro, B. , "Text Classification from Partially Labeled Distributed Data", in ICANNGA 2005, 2005
- Silva, C. and Ribeiro, B. and Lotrič, U. , "Speeding-up Text Classification In a GRID Computing Environment", in ICMLA 2005, 2005
- Lotrič, U. and Ribeiro, B. and Silva, C. and Dobnikar, A. , "Modeling Execution Times of Data Mining Problems in Grid Environments", in ERK 2005, 2005
2004
(2 publications)- Silva, C. and Ribeiro, B. , "Labeled and Unlabeled Data in Text Categorization", in IJCNN 2004, 2004
- Silva, C. and Ribeiro, B. , "Margin-based Active Learning and Background Knowledge in Text Mining", in HIS 2004, 2004
2003
(3 publications)- Silva, C. and Ribeiro, B. , "The Importance of Stop Word Removal on Recall Values in Text Categorization", in IJCNN 2003, 2003
- Silva, C. and Ribeiro, B. , "On the Evaluation of Text Processing in Text Categorization", in ICMLA 2003, 2003
- Silva, C. and Ribeiro, B. , "An Inductive Inference Approach to Large Scale Text Categorisation", in ICANNGA 2003, 2003
2001
(1 publication)2000
(3 publications)- Silva, C. and Ribeiro, B. , "A Neural Modular Architecture for Navigating Mobile Robots", in CONTROLO 2000, 2000
- Silva, C. and Ribeiro, B. , "MONODA: A Neural Modular Architecture for Obstacle Avoidance Without Knowledge of the Environment", in IJCNN 2000, 2000
- Silva, C. and Ribeiro, B. , "A Modular Neural Architecture for Navigating NOMAD Mobile Robot", in IPMU 2000, 2000
Book Chapters
2013
(1 publication)- Nogueira, A.F. and Silva, C. , "ChronoFindMe: Social Networks’ Location-Based Services", in Sociotechnical Enterprise Information Systems Design and Integration, vol. 1, pp. 154-170, 2013 [ DOI ]