Carlos Alzate  Carlos Alzate photo       

contact information

Research Scientist
Ireland Research Lab, Dublin, Ireland

links



2014

Multiclass Semisupervised Learning Based Upon Kernel Spectral Clustering
S. Mehrkanoon, C. Alzate, R. Mall, R. Langone, J.A.K. Suykens
IEEE Transactions on Neural Networks and Learning Systems, 2014


2013

Improved electricity load forecasting via kernel spectral clustering of smart meters
Carlos Alzate, Mathieu Sinn
IEEE 13th International Conference on Data Mining (ICDM), pp. 943--948, 2013

Kernel spectral clustering with memory effect
Rocco Langone, Carlos Alzate, Johan AK Suykens
Physica A: Statistical Mechanics and its Applications 392(10), 2588--2606, Elsevier, 2013


2012

Hierarchical Kernel Spectral Clustering
C. Alzate, J.A.K. Suykens
Neural Networks 35, 21--30, 2012

A Semi-Supervised Formulation to Binary Kernel Spectral Clustering
C. Alzate, J.A.K. Suykens
IEEE World Congress on Computational Intelligence (IEEE WCCI/IJCNN), pp. 1992-1999, 2012


2011

Kernel spectral clustering of time series in the CoRoT exoplanet database
C. Varon, C. Alzate, JAK Suykens, J. Debosscher
Astronomy & Astrophysics 531(A156), 1--15, 2011

Out-of-sample eigenvectors in kernel spectral clustering
C. Alzate, J.A.K. Suykens
International Joint Conference on Neural Networks (IJCNN), pp. 2349--2356, 2011

Sparse Kernel Spectral Clustering Models for Large-Scale Data Analysis
C. Alzate, J. A. K. Suykens
Neurocomputing 74(9), 1382-1390, 2011


2010

Highly sparse kernel spectral clustering with predictive out-of-sample extensions
C. Alzate, J.A.K. Suykens
European Symposium on Artificial Neural Networks (ESANN), pp. 235--240, 2010

Primal and dual model representations in kernel-based learning
J.A.K. Suykens, C. Alzate, K. Pelckmans
Statistics Surveys4, 148-183, 2010

Multiway Spectral Clustering with Out-of-Sample Extensions through Weighted Kernel PCA
C. Alzate, J. A. K. Suykens
IEEE Transactions on Pattern Analysis and Machine Intelligence 32(2), 335-347, 2010


2009

Identifying Customer Profiles in Power Load Time Series Using Spectral Clustering
C. Alzate, M. Espinoza, B. De Moor, J. A. K. Suykens
International Conference on Neural Networks (ICANN), pp. 315--324, 2009

A Regularized Formulation for Spectral Clustering with Pairwise Constraints
C. Alzate, J. A. K. Suykens
International Joint Conference on Neural Networks (IJCNN), pp. 141-148, 2009


2008

Kernel component analysis using an epsilon-insensitive robust loss function
C. Alzate, J. Suykens
IEEE Transactions on Neural Networks 19(9), 1583--1598, IEEE, 2008

Sparse kernel models for spectral clustering using the incomplete Cholesky decomposition
C. Alzate, J. Suykens
IEEE World Congress on Computational Intelligence (WCCI/IJCNN), pp. 3556--3563, 2008

A Regularized Kernel CCA Contrast Function for ICA
C. Alzate, J. A. K. Suykens
Neural Networks 21(2-3), 170--181, 2008


2007

Image segmentation using a weighted kernel PCA approach to spectral clustering
C. Alzate, J.A.K. Suykens
IEEE Symposium on Computational Intelligence in Image and Signal Processing, pp. 208--213, 2007


2006

A weighted kernel PCA formulation with out-of-sample extensions for spectral clustering methods
C. Alzate, J.A.K. Suykens
International Joint Conference on Neural Networks (IJCNN), pp. 138--144, 2006


2005

Extending kernel principal component analysis to general underlying loss functions
C. Alzate, J.A.K. Suykens
International Joint Conference on Neural Networks (IJCNN), pp. 214--219, 2005