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    Chapter and Conference Paper

    Multi-objective Optimization of a Composite Material Spring Design Using an Evolutionary Algorithm

    A multi-objective evolutionary algorithm is applied to optimize the design of a helical spring made out of a composite material. The criteria considered are the minimization of the mass along with the maximiza...

    Frédéric Ratle, Benoît Lecarpentier in Parallel Problem Solving from Nature - PPS… (2004)

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    Chapter and Conference Paper

    Learning Manifolds in Forensic Data

    Chemical data related to illicit cocaine seizures is analyzed using linear and nonlinear dimensionality reduction methods. The goal is to find relevant features that could guide the data analysis process in ch...

    Frédéric Ratle, Anne-Laure Terrettaz-Zufferey in Artificial Neural Networks – ICANN 2006 (2006)

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    Chapter and Conference Paper

    A Comparison of One-Class Classifiers for Novelty Detection in Forensic Case Data

    This paper investigates the application of novelty detection techniques to the problem of drug profiling in forensic science. Numerous one-class classifiers are tried out, from the simple k-means to the more e...

    Frédéric Ratle, Mikhail Kanevski in Intelligent Data Engineering and Automated… (2007)

  4. Chapter and Conference Paper

    Large-Scale Clustering through Functional Embedding

    We present a new framework for large-scale data clustering. The main idea is to modify functional dimensionality reduction techniques to directly optimize over discrete labels using stochastic gradient descent...

    Frédéric Ratle, Jason Weston in Machine Learning and Knowledge Discovery i… (2008)

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    Chapter

    Deep Learning via Semi-supervised Embedding

    We show how nonlinear semi-supervised embedding algorithms popular for use with “shallow” learning techniques such as kernel methods can be easily applied to deep multi-layer architectures, either as a regular...

    Jason Weston, Frédéric Ratle, Hossein Mobahi in Neural Networks: Tricks of the Trade (2012)