Profils utilisateurs correspondant à "Wojtek Kowalczyk"
Wojtek KowalczykAssistant Professor, LIACS, Leiden University Adresse e-mail validée de liacs.leidenuniv.nl Cité 1718 fois |
Beyond the hype: deep neural networks outperform established methods using a ChEMBL bioactivity benchmark set
The increase of publicly available bioactivity data in recent years has fueled and catalyzed
research in chemogenomics, data mining, and modeling approaches. As a direct result, over …
research in chemogenomics, data mining, and modeling approaches. As a direct result, over …
[PDF][PDF] Newscast computing
Monitoring large computer networks often involves aggregation of various sorts of data that
are distributed across network components. Finding extreme values, counting discrete …
are distributed across network components. Finding extreme values, counting discrete …
Reinforcement learning for online control of evolutionary algorithms
AE Eiben, M Horvath, W Kowalczyk… - … Self-Organising Systems …, 2007 - Springer
The research reported in this paper is concerned with assessing the usefulness of reinforcment
learning (RL) for on-line calibration of parameters in evolutionary algorithms (EA). We …
learning (RL) for on-line calibration of parameters in evolutionary algorithms (EA). We …
Newscast em
W Kowalczyk, N Vlassis - Advances in neural information …, 2004 - proceedings.neurips.cc
We propose a gossip-based distributed algorithm for Gaussian mixture learning, Newscast
EM. The algorithm operates on network topologies where each node observes a local …
EM. The algorithm operates on network topologies where each node observes a local …
Neural network identification of poets using letter sequences
Stylish differences among poets are usually sought in sound and semantics. In human analysis,
the criteria for recognizing stylistic differences are manifold and intermingled. This study …
the criteria for recognizing stylistic differences are manifold and intermingled. This study …
Combining deep learning and location-based ranking for large-scale archaeological prospection of LiDAR data from the Netherlands
…, K Lambers, W Kowalczyk… - … International Journal of …, 2020 - mdpi.com
This paper presents WODAN2.0, a workflow using Deep Learning for the automated detection
of multiple archaeological object classes in LiDAR data from the Netherlands. WODAN2.0 …
of multiple archaeological object classes in LiDAR data from the Netherlands. WODAN2.0 …
Cluster-based Kriging approximation algorithms for complexity reduction
Kriging or Gaussian Process Regression is applied in many fields as a non-linear regression
model as well as a surrogate model in the field of evolutionary computation. However, the …
model as well as a surrogate model in the field of evolutionary computation. However, the …
Improving imbalanced classification by anomaly detection
J Kong, W Kowalczyk, S Menzel, T Bäck - International Conference on …, 2020 - Springer
Although the anomaly detection problem can be considered as an extreme case of class
imbalance problem, very few studies consider improving class imbalance classification with …
imbalance problem, very few studies consider improving class imbalance classification with …
Optimally weighted cluster kriging for big data regression
In business and academia we are continuously trying to model and analyze complex
processes in order to gain insight and optimize. One of the most popular modeling algorithms is …
processes in order to gain insight and optimize. One of the most popular modeling algorithms is …
Hyperparameter optimisation for improving classification under class imbalance
J Kong, W Kowalczyk, DA Nguyen… - … symposium series on …, 2019 - ieeexplore.ieee.org
Although the class-imbalance classification problem has caught a huge amount of attention,
hyperparameter optimisation has not been studied in detail in this field. Both classification …
hyperparameter optimisation has not been studied in detail in this field. Both classification …