Wojtek Kowalczyk

Publication Activity (10 Years)

Years Active: 1996-2024
Publications (10 Years): 19

Top Topics

Logistic Regression

Anomaly Detection

Class Imbalance

Top Venues

Publications

Di Wu, Renchi Zhang, Ameya Pore, Diego Dall'Alba, Xuan Thao Ha, Zhen Li, Yao Zhang, Fernando Herrera, Mouloud Ourak, Wojtek Kowalczyk, Elena De Momi, Alícia Casals, Jenny Dankelman, Jens Kober, Arianna Menciassi, Paolo Fiorini, Emmanuel B. Vander Poorten
A review on machine learning in flexible surgical and interventional robots: Where we are and where we are going. Biomed. Signal Process. Control. 93 (2024)
Hadar Shavit, Filip Jatelnicki, Pol Mor-Puigventós, Wojtek Kowalczyk
From Xception to NEXcepTion: New Design Decisions and Neural Architecture Search. ICPRAM (2023)
Hadar Shavit, Filip Jatelnicki, Pol Mor-Puigventós, Wojtek Kowalczyk
From Xception to NEXcepTion: New Design Decisions and Neural Architecture Search. CoRR (2022)
Jiawen Kong, Wojtek Kowalczyk, Stefan Menzel, Thomas Bäck
Improving Imbalanced Classification by Anomaly Detection. PPSN (1) (2020)
Jiawen Kong, Thiago Rios, Wojtek Kowalczyk, Stefan Menzel, Thomas Bäck
On the Performance of Oversampling Techniques for Class Imbalance Problems. PAKDD (2) (2020)
Jichen Wu, Maarten H. Lamers, Wojtek Kowalczyk
Being Creative: A Cross-Domain Mapping Network. ICCC (2020)
Bas van Stein, Hao Wang, Wojtek Kowalczyk, Michael Emmerich, Thomas Bäck
Cluster-based Kriging approximation algorithms for complexity reduction. Appl. Intell. 50 (3) (2020)
Wouter B. Verschoof-van der Vaart, Karsten Lambers, Wojtek Kowalczyk, Quentin P. J. Bourgeois
Combining Deep Learning and Location-Based Ranking for Large-Scale Archaeological Prospection of LiDAR Data from The Netherlands. ISPRS Int. J. Geo Inf. 9 (5) (2020)
Jiawen Kong, Wojtek Kowalczyk, Duc Anh Nguyen, Thomas Bäck, Stefan Menzel
Hyperparameter Optimisation for Improving Classification under Class Imbalance. SSCI (2019)
Mark Pijnenburg, Wojtek Kowalczyk
Are Similar Cases Treated Similarly? A Comparison Between Process Workers. BIS (2) (2019)
Mark Pijnenburg, Wojtek Kowalczyk
Extending an Anomaly Detection Benchmark with Auto-encoders, Isolation Forests, and RBMs. ICIST (2019)
Bas van Stein, Hao Wang, Wojtek Kowalczyk, Thomas Bäck
A Novel Uncertainty Quantification Method for Efficient Global Optimization. IPMU (3) (2018)
Mark Pijnenburg, Wojtek Kowalczyk
Singular Outliers: Finding Common Observations with an Uncommon Feature. IPMU (3) (2018)
Mark Pijnenburg, Wojtek Kowalczyk
Extending Logistic Regression Models with Factorization Machines. ISMIS (2017)
Bas van Stein, Hao Wang, Wojtek Kowalczyk, Michael T. M. Emmerich, Thomas Bäck
Cluster-based Kriging Approximation Algorithms for Complexity Reduction. CoRR (2017)
Eelke B. Lenselink, Niels ten Dijke, Brandon J. Bongers, George Papadatos, Herman W. T. van Vlijmen, Wojtek Kowalczyk, Adriaan P. IJzerman, Gerard J. P. van Westen
Beyond the hype: deep neural networks outperform established methods using a ChEMBL bioactivity benchmark set. J. Cheminformatics 9 (1) (2017)
Bas van Stein, Hao Wang, Wojtek Kowalczyk, Michael T. M. Emmerich, Thomas Bäck
Fuzzy clustering for Optimally Weighted Cluster Kriging. FUZZ-IEEE (2016)
Bas van Stein, Wojtek Kowalczyk
An Incremental Algorithm for Repairing Training Sets with Missing Values. IPMU (2) (2016)
Bas van Stein, Wojtek Kowalczyk, Thomas Bäck
Analysis and Visualization of Missing Value Patterns. IPMU (2) (2016)
Bas van Stein, Hao Wang, Wojtek Kowalczyk, Thomas Bäck, Michael Emmerich
Optimally Weighted Cluster Kriging for Big Data Regression. IDA (2015)
Bart Vaerenberg, Louis ten Bosch, Wojtek Kowalczyk, Martine Coene, Herwig De Smet, Paul J. Govaerts
Language-universal speech audiometry with automated scoring. INTERSPEECH (2013)
Martine Coene, Annemiek Hammer, Wojtek Kowalczyk, Louis ten Bosch, Bart Vaerenberg, Paul Govaerts
Quantifying cross-linguistic variation in grapheme-to-phoneme mapping. INTERSPEECH (2013)
Annemiek Hammer, Bart Vaerenberg, Wojtek Kowalczyk, Louis ten Bosch, Martine Coene, Paul J. Govaerts
Balancing word lists in speech audiometry through large spoken language corpora. INTERSPEECH (2013)
Rob M. Konijn, Wouter Duivesteijn, Wojtek Kowalczyk, Arno J. Knobbe
Discovering Local Subgroups, with an Application to Fraud Detection. PAKDD (1) (2013)
C. Natalie van der Wal, Wojtek Kowalczyk
Detecting changing emotions in human speech by machine and humans. Appl. Intell. 39 (4) (2013)
Wojtek Kowalczyk, C. Natalie van der Wal
Detecting Changing Emotions in Natural Speech. IEA/AIE (2012)
Rob M. Konijn, Wojtek Kowalczyk
Hunting for Fraudsters in Random Forests. HAIS (1) (2012)
Rob M. Konijn, Wojtek Kowalczyk
Finding Fraud in Health Insurance Data with Two-Layer Outlier Detection Approach. DaWaK (2011)
Zoltán Szlávik, Wojtek Kowalczyk, Martijn C. Schut
Diversity Measurement of Recommender Systems under Different User Choice Models. ICWSM (2011)
Wojtek Kowalczyk, Zoltán Szlávik, Martijn C. Schut
The Impact of Recommender Systems on Item-, User-, and Rating-Diversity. ADMI (2011)
David Samoocha, Ingrid A. K. Snels, David J. Bruinvels, Johannes R. Anema, Wojtek Kowalczyk, Allard J. van der Beek
Process evaluation of a web-based intervention aimed at empowerment of disability benefit claimants. BMC Medical Informatics Decis. Mak. 11 (2011)
Rob M. Konijn, Wojtek Kowalczyk
An Interactive Approach to Outlier Detection. RSKT (2010)
A. E. Eiben, Mark Horvath, Wojtek Kowalczyk, Martijn C. Schut
Reinforcement Learning for Online Control of Evolutionary Algorithms. ESOA (2006)
Jan Peter Patist, Wojtek Kowalczyk, Elena Marchiori
Maintaining Gaussian Mixture Models of Data Streams Under Block Evolution. International Conference on Computational Science (1) (2006)
Nikos A. Vlassis, Yiannis Sfakianakis, Wojtek Kowalczyk
Gossip-Based Greedy Gaussian Mixture Learning. Panhellenic Conference on Informatics (2005)
Krisztian Balog, Peter Hofgesang, Wojtek Kowalczyk
Modeling Navigation Patterns of Visitors of Unstructured Websites. SGAI Conf. (2005)
Márk Jelasity, Wojtek Kowalczyk, Maarten van Steen
An Approach to Massively Distributed Aggregate Computing on Peer-to-Peer Networks. PDP (2004)
Wojtek Kowalczyk, Nikos A. Vlassis
Newscast EM. NIPS (2004)
Wojtek Kowalczyk
An Approximate Algorithm for Reverse Engineering of Multi-layer Perceptrons. SGAI Conf. (2003)
F. J. Jüngen, Wojtek Kowalczyk
Approximate algorithms for generalized maximum utility problems. J. Exp. Theor. Artif. Intell. 10 (1) (1998)
Wojtek Kowalczyk, Zdzislaw Piasta
Rough-Set Inspired Approach to Knowledge Discovery in Business Databases. PAKDD (1998)
F. J. Jüngen, Wojtek Kowalczyk
Appriximate Algorithms for Maximum Utility Problems. CP (1996)
Wojtek Kowalczyk
An algorithm for training multilayer networks on non-numerical data. ESANN (1996)