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Olivier Caelen
Olivier Caelen
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Calibrating probability with undersampling for unbalanced classification
A Dal Pozzolo, O Caelen, RA Johnson, G Bontempi
2015 IEEE symposium series on computational intelligence, 159-166, 2015
5702015
Learned lessons in credit card fraud detection from a practitioner perspective
A Dal Pozzolo, O Caelen, YA Le Borgne, S Waterschoot, G Bontempi
Expert systems with applications 41 (10), 4915-4928, 2014
5002014
APATE: A novel approach for automated credit card transaction fraud detection using network-based extensions
V Van Vlasselaer, C Bravo, O Caelen, T Eliassi-Rad, L Akoglu, M Snoeck, ...
Decision Support Systems 75, 38-48, 2015
4702015
Credit card fraud detection: a realistic modeling and a novel learning strategy
A Dal Pozzolo, G Boracchi, O Caelen, C Alippi, G Bontempi
IEEE transactions on neural networks and learning systems 29 (8), 3784-3797, 2017
4502017
Sequence classification for credit-card fraud detection
J Jurgovsky, M Granitzer, K Ziegler, S Calabretto, PE Portier, ...
Expert systems with applications 100, 234-245, 2018
3602018
Combining unsupervised and supervised learning in credit card fraud detection
F Carcillo, YA Le Borgne, O Caelen, Y Kessaci, F Oblé, G Bontempi
Information sciences 557, 317-331, 2021
3062021
Scarff: a scalable framework for streaming credit card fraud detection with spark
F Carcillo, A Dal Pozzolo, YA Le Borgne, O Caelen, Y Mazzer, ...
Information fusion 41, 182-194, 2018
2212018
A Bayesian interpretation of the confusion matrix
O Caelen
Annals of Mathematics and Artificial Intelligence 81 (3-4), 429-450, 2017
1742017
When is undersampling effective in unbalanced classification tasks?
A Dal Pozzolo, O Caelen, G Bontempi
Machine Learning and Knowledge Discovery in Databases: European Conference …, 2015
1352015
Credit card fraud detection and concept-drift adaptation with delayed supervised information
A Dal Pozzolo, G Boracchi, O Caelen, C Alippi, G Bontempi
2015 international joint conference on Neural networks (IJCNN), 1-8, 2015
1232015
Towards automated feature engineering for credit card fraud detection using multi-perspective HMMs
Y Lucas, PE Portier, L Laporte, L He-Guelton, O Caelen, M Granitzer, ...
Future Generation Computer Systems 102, 393-402, 2020
1092020
Streaming active learning strategies for real-life credit card fraud detection: assessment and visualization
F Carcillo, YA Le Borgne, O Caelen, G Bontempi
International Journal of Data Science and Analytics 5, 285-300, 2018
1072018
Racing for unbalanced methods selection
A Dal Pozzolo, O Caelen, S Waterschoot, G Bontempi
Intelligent Data Engineering and Automated Learning–IDEAL 2013: 14th …, 2013
662013
Efficient top rank optimization with gradient boosting for supervised anomaly detection
J Frery, A Habrard, M Sebban, O Caelen, L He-Guelton
Machine Learning and Knowledge Discovery in Databases: European Conference …, 2017
622017
A graph-based, semi-supervised, credit card fraud detection system
B Lebichot, F Braun, O Caelen, M Saerens
International Workshop on Complex Networks and their Applications, 721-733, 2016
552016
Managing a pool of rules for credit card fraud detection by a Game Theory based approach
G Gianini, LG Fossi, C Mio, O Caelen, L Brunie, E Damiani
Future Generation Computer Systems 102, 549-561, 2020
402020
Multiple perspectives HMM-based feature engineering for credit card fraud detection
Y Lucas, PE Portier, L Laporte, S Calabretto, O Caelen, L He-Guelton, ...
Proceedings of the 34th ACM/SIGAPP Symposium on Applied Computing, 1359-1361, 2019
372019
Improving the exploration strategy in bandit algorithms
O Caelen, G Bontempi
International Conference on Learning and Intelligent Optimization, 56-68, 2007
282007
Using HDDT to avoid instances propagation in unbalanced and evolving data streams
A Dal Pozzolo, R Johnson, O Caelen, S Waterschoot, NV Chawla, ...
2014 International joint conference on neural networks (IJCNN), 588-594, 2014
262014
Injecting semantic background knowledge into neural networks using graph embeddings
K Ziegler, O Caelen, M Garchery, M Granitzer, L He-Guelton, J Jurgovsky, ...
2017 IEEE 26th International Conference on Enabling Technologies …, 2017
232017
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Artikelen 1–20