José Luis Espinoza, Instituto Technológico de Costa Rice, and Javier Trejos, CIMPA, ``Genetic Variable Selection in Linear Regression''

where is the number of absent variables, and is a parameter. The usual genetic operators, including roulette-wheel selection, crossover, and mutation are implemented. Comparisons are performed with benchmark data sets, and this finds promising results.

Anuska Ferligoj and Vladimir Batagelj, University of Ljubljana, and Patrick Doreian, University of Pittsburgh, ``Blockmodeling as a Clustering Problem''

Bernard Fichet, University of Aix Marseille II, ``Theory for the Cartesian Product of -Quasi-Hierarchies''

Ernest Fokoue, Ohio State University, ``Variational Approximation for Gaussian Process Classifiers''

María Teresa Gallegos and Gunter Ritter, Universität Passau, ``A Breakpoint Analysis for Clustering''

Sugnet Gardner and Niel le Roux, University of Stellanbosch, ``Modified Biplots for Enhancing Two-Class Discriminant Analysis''

Wolfgang Gaul, University of Karlsruhe, ``Web Mining and Its Interrelations to Classification Data Mining and Market Research''

F. Giannandrea, Catholic University of Sacred Hearth, and D. F. Iezzi, University ``La Sapienza'', ``A Method to Classify Hospital Workers with Lower Back Pain''

E. Graubins and David Grossman, Illinois Institute of Technology, ``Applying Hybrid Modeling to Predict the Stock Market''

Vahan Grigoryan, Donald Chiarulli, and Milos Hauskrecht, University of Pittsburgh, ``Subject Filtering for Passive Biometric Monitoring''

Patrick J. F. Groenen, Erasmus University, and Michael W. Trosset, College of William & Mary, ``Fast Multidimensional Scaling of Large Data Sets''

Alain Guénoche, Institute de Mathématiques de Luminy-CNRS, ``Clustering By Vertex Density in a Graph''

David Hand, Imperial College, ``Academic Obsessions and Classification Realities: Ignoring Practicalities in Supervised Classification''

André Hardy and Pascale Lallemand, University of Namur, ``The Clustering of Symbolic Objects Described by Multi-Valued and Modal Variables''

Georges Hébrail, ENST, and Yves Lechevallier, INRIA, ``Building Small Scale Models of Multi-Entity Databases by Clustering''

David I Holmes and Daniel W Crofts, The College of New Jersey, ``The Diary of a Public Man: A Case Study in Traditional and Non-Traditional Authorship Attribution''

Leanna House and D. Banks, Duke University, ``Cherry-Picking as a Robustness Tool''

J. Hughes-Oliver, North Carolina State University, ``Twins and High Dimensional Data: Can Leave-one-out Cross Validation Survive?''

Myung-Hoe Huh, Korea University, ``Enhancing Self-Organizing Maps for Statistical Use''

Myung-Hoe Huh, Korea University, and Yong-Goo Lee, Chung Ang University, ``Reproducibility Evaluation of k-Means Clustering''

Krzysztof Jajuga, ``Data Analysis and Financial Risk Management: Overview of Modern Approaches''

Maojin Jiang, Eric Jensen, Steve Beitzel, and Shlomo Argamon, Illinois Institute of Technology, ``Choosing the Right Bigrams for Information Retrieval''

David Johannsen and Jeff Solka, Naval Surface Warfare Center, ``Modern Geometric Methods for Dimensionality Reduction''

Karen Kafadar, University of Colorado at Denver, and Cliff Speigelman, Texas A&M University, ``Forensic Analyis of Bullet Data''

Tony Kearsley and Luis Melara, National Institute of Standards and Technology, ``Nonlinear Programming and Multi-Dimensional Scaling''

Balaji Krishnapuram, Duke University, ``Autonomous Learning of Multi-Sensor Classifiers''

Koji Kurihara, Okayama University, ``Classification of Geospatial Lattice Data and Their Graphical Representation''

Katarzyna Kuziak, Wroclaw University of Economics, ``Evaluation of Risk in the Index Option Pricing Model''

Vicki Laidler, Computer Sciences Corporation, Space Telescope Science Institute, ``A Tale of Two Probabilities: Assessing Accuracy on Classified Astronomical Data''

Michael D. Larsen, Iowa State University, ``Issues in Record Linkage''

Nicole Lazar, Carnegie Mellon University, ``Are All fMRI Subjects Created Equal?''

Ludovic Lebart, ENST, ``Validation Techniques for Correspondence Analysis''

Bruno Leclerc, EHESS, ``The Consensus of Classification Systems, with Adams' Results Revisited''

Herbert K. H. Lee, University of Santa Cruz, ``Priors for Neural Networks''

Seong Keon Lee, Chuo University, ``On Classification and Regression Trees with Multiple Responses''

Sun-Soon Lee, Seoul National University, Hong-Seok Lee, Sung Kyun Kwan University, Joong-Hwan Lee, Needs I Co. Ltd., and Sung-Soo Kim, Korea National Open University, ``Customer Segmentation using gCRM''

Taerim Lee, Korea National Open University, ``A Tree-Structured Survival Model for AIDS in Korea''

Mohamed Mehdi Limam and Edwin Diday, University of Paris IX-Dauphine, and Suzanne Winsberg, Institut de Recherche et Coordination Acoustique/Musique, ``Probabilistic Allocation of Aggregated Statistical Units in Classification Trees for Symbolic Class Description''

Xiaodong Lin, SAMSI, and Yu Zhu, Purdue University, ``Degenerate Expectation-Maximization Algorithm for Local Dimension Reduction''

Regina Liu, Rutgers University, ``Mining Massive Text Data and Developing Tracking Statistics''

Hermann Locarek-Junge, Dresden University of Technology, ``Estimation of Tail Coefficients and Extreme Correlations for Market and Credit Risk: Problems, Pitfalls, and Possible Solutions''

Vincent Loonis, ENSAE, ``The Simultaneous Row and Column Partitioning of Several Contingency Tables''

Carlos Lourenço and Margarida Cardoso, ISCTE, ``Market Segmentation: A Comparison Between Mixture Models and Data Mining Techniques''

Guanzhong Luo and David Andrich, Murdoch University, ``The Weighted Likelihood Estimation of Person Locations in an Unfolding Model for Polytomous Responses''

Vladimir Makarenkov, Alix Boc, and Abdoulaye Baniré Diallo, University of Quebec, ``Determining Horizontal Gene Transfers in Species Classification: Unique Scenario''

David Marchette, Naval Surface Warfare Center, ``Iterative Denoising for Cross-Corpus Discovery''

M. Markatou, H. Tian, S. Biswas, and G. Hripsack, Columbia University, ``Analysis of the Effect of Correlation on the Cross-Validation Estimates of the Performance of Learning Algorithms''

Paul Marriott, University of Waterloo, ``On the Geometry of Mixtures''

Chérif Mballo, ESIEA, and Edwin Diday, University of Paris-Dauphine IX, ``Kolmogorov-Smirnov for Decision Trees on Interval and Histogram Variables''

Takashi Murakami, Nagoya University, ``The Direct Procrustes Method and Perfect Congruence''

Fionn Murtagh, Queen's University Belfast, ``Thinking Ultrametrically''

Mohamed Nadif, Université de Metz, and Gérard Govaert, Université de Technologie de Compiègne, ``Another Version of the Block EM Algorithm''

Jeremy Nadolski and Kert Viele, University of Kentucky, ``The Role of Latent Variables in Model Selection Accuracy''

Seungmin Nam, Kiwoong Kim, and Sinsup Cho, Seoul National University, and Inkwon Yeo, Chonbuk National University, ``A Bayesian Analysis Based on Beta-Mixtures for Software Reliability Models''

Ole Nordhoff, Institut für Statistik und Wirtschaftsmathematik, ``Expectation of Random Sets and the `Mean Values' of Interval Data''

Hodaka Numasaki, Hajime Harauchi, Yuko Ohno, Osaka University, Kiyonari Inamura, Kansi University of International Studies, Satoko Kasahara, Morito Monden, and Masato Sakon, Osaka University, ``Application of Spectrum Analysis and Sequence Relational Analysis for the Medical Staff's Job Classification: Use of Time Factor and Behavior Factors for Job Workflow''