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WSOM 2012 PROGRAM
Wednesday 12, December
Opening Ceremony
Registration
Gorbea Auditorium
8:30 – 9:00
Plenary Talk 1
Gorbea Auditorium
9:00 – 10:15
Chair: Pablo Estévez
Coffee Break
10:15 - 10:45
Plenary Talk 2
Gorbea Auditorium
10:45 – 12:00
Chair: Pablo Zegers
Self-Organization Using Information Theoretic Learning
José Príncipe
How to Visualize Large Data Sets?
Barbara Hammer
On-Line Relational SOM for Dissimilarity Data
Madalina Olteanu, Nathalie Villa-Vialaneix, and Marie Cottrell
Theory and Methodology I
Gorbea Auditorium
12:00 – 13:00
Chair: Marie Cottrell
Non-Euclidean Principal Component Analysis and Oja's Learning Rule Theoretical Aspects
Michael Biehl, Marika Kästner, Mandy Lange, and Thomas Villmann
Classification of Chain-Link and Other Data with Spherical SOM
Masaaki Ohkita, Heizo Tokutaka, Makoto Ohki, Matashige Oyabu, and Kikuo Fujimura
Lunch
13:00 - 14:45
Sparse Coding Neural Gas Applied to Image Recognition
Horia Coman, Erhardt Barth, and Thomas Martinetz
Image Processing I
Geology Auditorium
14:45 – 16:05
Chair: Pablo Zegers
Hand Tracking with an Extended Self-Organizing Map
Andreea State, Foti Coleca, Erhardt Barth, and Thomas Martinetz
Trajectory Analysis on Spherical Self-Organizing Maps with Application to Gesture
Recognition
Artur Oliva Gonsales, Matthew Kyan
Image Representation Using the Self-Organizing Map
Leandro Silva, Bruno Pazzinato, Orlando Coelho
Coffee Break
16:05- 16:35
Online Visualization of Prototypes and Receptive Fields Produced by LVQ
Algorithms
Learning Vector Quantization David Nova and Pablo A. Estévez
Geology Auditorium
Efficient Approximations of Kernel Robust Soft LVQ
16:35-17:35
Daniela Hofmann, Andrej Gisbrecht, and Barbara Hammer
Chair: Pablo Estévez
Gradient Based Learning in Vector Quantization Using Differentiable Kernels
Thomas Villmann, Sven Haase, and Marika Kästner
WSOM 2012 PROGRAM
Mini Break
Geology Auditorium
17:35-17:40
A Model for Mortality Forecasting Based on Self Organizing Maps
Marina Resta and Marina Ravera
Applications of Data Mining
and Analysis I
Geology Auditorium
17:40-18:40
Chair: Marina Resta
Analysis of Farm Profitability and the Weighted Upscaling System Using the SelfOrganizing Map
Mika Sulkava, Maria Yli-Heikkilä, and Arto Latukka
Professional Trajectories of Workers Using Disconnected Self-Organizing Maps
Etienne Côme, Marie Cottrell, and Patrice Gaubert
Welcome Reception
18:40-19:20
Thursday 13, December
Enhancing NLP Tasks by the Use of a Recent Neural Incremental Clustering
Approach Based on Cluster Data Feature Maximization
Jean-Charles Lamirel, Ingrid Falk, and Claire Gardent
Text Mining
and Language Processing
Geology Auditorium
8:30 – 9:50
Chair: Timo Honkela
Lexical recount between Factor Analysis and Kohonen Map: Mathematical
Vocabulary of Arithmetic in the Vernacular Language of the Late Middle Ages
Nicolas Bourgeois, Marie Cottrell, Benjamin Déruelle, Stéphane Lamassé, and Patrick
Letrémy
Computational Study of Stylistics: Visualizing the Writing Style with SelfOrganizing Maps
Antonio Neme, Sergio Hernández, Teresa Dey, Abril Muñoz, JRG Pulido
Combining Neural Clustering with Intelligent Labeling and Unsupervised Bayesian
Reasoning in a Multiview Context for Efficient Diachronic Analysis
Jean-Charles Lamirel
Coffee Break
9:50– 10:20
Nonlinear Time Series Analysis by Using Gamma Growing Neural Gas
Pablo A. Estévez and Jorge R. Vergara
Nonlinear Analysis
and Time Series
Geology Auditorium
10:20- 11:20
Chair: Guilherme Barreto
Robust Regional Modeling for Nonlinear System Identification Using SelfOrganizing Maps
Amauri H. de Souza Junior, Francesco Corona and Guilherme A. Barreto
Learning Embedded Data Structure with Self-Organizing Maps
Edson C. Kitani, Emilio Del-Moral-Hernandez, and Leandro A. Silva
Mini Break
Geology Auditorium
11:20-11:25
WSOM 2012 PROGRAM
Theory and Methodology II
Geology Auditorium
11:25 – 12:05
Chair: Thomas Villmann
Using SOM as a Tool for Automated Design of Clustering Systems Based on Fuzzy
Predicates
Gustavo Meschino, Diego Comas, Virginia Ballarin, Adriana G. Scandurra, Lucía I.
Passoni
From Forced to Natural Competition in a Biologically Plausible Neural Network
Francisco J. Ropero Peláez and Antonio C. Godoi
Social Program
Lunch at “Indómita” Vineyard
and Valparaiso Tour
12:05 - 21:00
Friday 14, December
Unsupervised Weight-Based Cluster Labeling for Self-Organizing Maps
Willem S. van Heerden and Andries P. Engelbrecht
Theory and Methodology III
Geology Auditorium
9:00 -10:20
Chair: Barbara Hammer
Controlling Self-Organization and Handling Missing Values in SOM and GTM
Tommi Vatanen, Ilari T. Nieminen, Timo Honkela, Tapani Raiko, and Krista Lagus
Opposite Maps for Hard Margin Support Vector Machines
Ajalmar R. da Rocha Neto and Guilherme A. Barreto
Intuitive Volume Exploration through Spherical Self-Organizing Map
Naimul Mefraz Khan, Matthew Kyan and Ling Guan
Coffee Break
10:20-10:50
Invited Talk
Geology Auditorium
10:50 – 11:55
Chair: Pablo Estévez
Mini Break
Geology Auditorium
11:55-12:00
Data Mining for Astronomy
Pavlos Protopapas
Restoration Model with Inference Capability of Self-Organizing Maps
Michiharu Maeda
Image Processing II
Geology Auditorium
12:00 – 13:00
Chair: Lucia Passoni
Improvements in the Visualization of Segmented Areas of Patterns of Dynamic
Laser Speckle
Lucía I. Passoni, Ana Lucía Dai Pra, Adriana Scandurra, Gustavo Meschino, Christian
Weber, Marcelo Guzmán, Héctor Rabal, and Marcelo Trivi
Inverse Halftoning by Means of Self-Organizing Maps
Flavio Moreira da Costa, Sidnei Alves de Araújo, and Renato José Sassi
Lunch
13:00 - 14:40
WSOM 2012 PROGRAM
Understanding Firms’ International Growth: a Proposal via Self Organizing Maps
Marina Resta and Riccardo Spinelli
Applications of Data Mining
and Analysis II
Geology Auditorium
14:40 – 15:40
Chair: Heizo Tokutaka
Paths of Wellbeing on Self-Organizing Maps
Krista Lagus, Tommi Vatanen, Oili Kettunen, Antti Heikkilä,
Matti Heikkilá, Mika Pantzar, and Timo Honkela
The Finnish Car Rejection Reasons Shown in an Interactive SOM Visualization
Tool
Jaakko Talonen, Mika Sulkava, and Miki Sirola
Coffee Break
15:40 - 16:10
Applications of Data Mining
and Analysis III
Geology Auditorium
16:10 – 17:10
Chair: Jean-Charles Lamirel
Verification of Metabolic Syndrome Checkup Data with a Self-Organizing Map
(SOM): Towards a Simple Judging Tool
Heizo Tokutaka, Masaaki Ohkita, Nobuhiko Kasezawa, and Makoto Ohki
Short Circuit Incipient Fault Detection and Supervision in a Three-Phase Induction
Motor with a SOM-Based Algorithm
David Coelho and Claudio Medeiros
Exploring Social Systems Dynamics with SOM Variants
Marina Resta
Farewell
Geology Auditorium
17:10 – 17:50